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Rename app.py to index.html
Browse files- app.py +0 -205
- index.html +18 -0
app.py
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import os
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import torch
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import shutil
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import librosa
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import warnings
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import numpy as np
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import gradio as gr
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import librosa.display
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import matplotlib.pyplot as plt
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from collections import Counter
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from model import EvalNet
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from utils import (
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get_modelist,
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find_files,
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embed_img,
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_L,
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SAMPLE_RATE,
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TEMP_DIR,
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TRANSLATE,
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CLASSES,
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EN_US,
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)
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def circular_padding(spec: np.ndarray, end: int):
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size = len(spec)
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if end <= size:
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return spec
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num_padding = end - size
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num_repeat = num_padding // size + int(num_padding % size != 0)
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padding = np.tile(spec, num_repeat)
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return np.concatenate((spec, padding))[:end]
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def wav2mel(audio_path: str, width=3):
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y, sr = librosa.load(audio_path, sr=SAMPLE_RATE)
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total_frames = len(y)
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if total_frames % (width * sr) != 0:
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count = total_frames // (width * sr) + 1
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y = circular_padding(y, count * width * sr)
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mel_spec = librosa.feature.melspectrogram(y=y, sr=sr)
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log_mel_spec = librosa.power_to_db(mel_spec, ref=np.max)
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dur = librosa.get_duration(y=y, sr=sr)
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total_frames = log_mel_spec.shape[1]
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step = int(width * total_frames / dur)
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count = int(total_frames / step)
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begin = int(0.5 * (total_frames - count * step))
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end = begin + step * count
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for i in range(begin, end, step):
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librosa.display.specshow(log_mel_spec[:, i : i + step])
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plt.axis("off")
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plt.savefig(
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f"{TEMP_DIR}/{i}.jpg",
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bbox_inches="tight",
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pad_inches=0.0,
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)
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plt.close()
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def wav2cqt(audio_path: str, width=3):
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y, sr = librosa.load(audio_path, sr=SAMPLE_RATE)
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total_frames = len(y)
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if total_frames % (width * sr) != 0:
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count = total_frames // (width * sr) + 1
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y = circular_padding(y, count * width * sr)
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cqt_spec = librosa.cqt(y=y, sr=sr)
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log_cqt_spec = librosa.power_to_db(np.abs(cqt_spec) ** 2, ref=np.max)
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dur = librosa.get_duration(y=y, sr=sr)
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total_frames = log_cqt_spec.shape[1]
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step = int(width * total_frames / dur)
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count = int(total_frames / step)
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begin = int(0.5 * (total_frames - count * step))
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end = begin + step * count
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for i in range(begin, end, step):
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librosa.display.specshow(log_cqt_spec[:, i : i + step])
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plt.axis("off")
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plt.savefig(
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f"{TEMP_DIR}/{i}.jpg",
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bbox_inches="tight",
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pad_inches=0.0,
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)
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plt.close()
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def wav2chroma(audio_path: str, width=3):
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y, sr = librosa.load(audio_path, sr=SAMPLE_RATE)
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total_frames = len(y)
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if total_frames % (width * sr) != 0:
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count = total_frames // (width * sr) + 1
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y = circular_padding(y, count * width * sr)
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chroma_spec = librosa.feature.chroma_stft(y=y, sr=sr)
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log_chroma_spec = librosa.power_to_db(np.abs(chroma_spec) ** 2, ref=np.max)
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dur = librosa.get_duration(y=y, sr=sr)
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total_frames = log_chroma_spec.shape[1]
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step = int(width * total_frames / dur)
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count = int(total_frames / step)
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begin = int(0.5 * (total_frames - count * step))
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end = begin + step * count
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for i in range(begin, end, step):
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librosa.display.specshow(log_chroma_spec[:, i : i + step])
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plt.axis("off")
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plt.savefig(
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f"{TEMP_DIR}/{i}.jpg",
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bbox_inches="tight",
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pad_inches=0.0,
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)
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plt.close()
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def most_frequent_value(lst: list):
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counter = Counter(lst)
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max_count = max(counter.values())
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for element, count in counter.items():
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if count == max_count:
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return element
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return None
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def infer(wav_path: str, log_name: str, folder_path=TEMP_DIR):
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status = "Success"
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filename = result = None
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try:
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if os.path.exists(folder_path):
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shutil.rmtree(folder_path)
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if not wav_path:
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raise ValueError("请输入音频!")
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spec = log_name.split("_")[-3]
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os.makedirs(folder_path, exist_ok=True)
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model = EvalNet(log_name, len(TRANSLATE)).model
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eval("wav2%s" % spec)(wav_path)
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jpgs = find_files(folder_path, ".jpg")
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preds = []
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for jpg in jpgs:
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input = embed_img(jpg)
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output: torch.Tensor = model(input)
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preds.append(torch.max(output.data, 1)[1])
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pred_id = most_frequent_value(preds)
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filename = os.path.basename(wav_path)
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result = (
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CLASSES[pred_id].capitalize()
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if EN_US
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else f"{TRANSLATE[CLASSES[pred_id]]} ({CLASSES[pred_id].capitalize()})"
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)
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except Exception as e:
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status = f"{e}"
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return status, filename, result
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if __name__ == "__main__":
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warnings.filterwarnings("ignore")
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models = get_modelist(assign_model="vit_l_16_mel")
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examples = []
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example_wavs = find_files()
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for wav in example_wavs:
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examples.append([wav, models[0]])
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with gr.Blocks() as demo:
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gr.Interface(
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fn=infer,
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inputs=[
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gr.Audio(label=_L("上传录音"), type="filepath"),
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gr.Dropdown(choices=models, label=_L("选择模型"), value=models[0]),
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],
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outputs=[
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gr.Textbox(label=_L("状态栏"), buttons=["copy"]),
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gr.Textbox(label=_L("音频文件名"), buttons=["copy"]),
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gr.Textbox(label=_L("古筝演奏技法识别"), buttons=["copy"]),
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],
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examples=examples,
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cache_examples=False,
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flagging_mode="never",
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title=_L("建议录音时长保持在 3s 左右"),
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)
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gr.Markdown(f"# {_L('引用')}" + """
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```bibtex
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@article{Zhou-2025,
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author = {Monan Zhou and Shenyang Xu and Zhaorui Liu and Zhaowen Wang and Feng Yu and Wei Li and Baoqiang Han},
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title = {CCMusic: An Open and Diverse Database for Chinese Music Information Retrieval Research},
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journal = {Transactions of the International Society for Music Information Retrieval},
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volume = {8},
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number = {1},
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pages = {22--38},
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month = {Mar},
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year = {2025},
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url = {https://doi.org/10.5334/tismir.194},
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doi = {10.5334/tismir.194}
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}
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```""")
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demo.launch(
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theme=gr.themes.Ocean(),
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css="#gradio-share-link-button-0 { display: none; }",
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ssr_mode=False,
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)
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index.html
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<html>
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<head>
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<style>
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html, body {
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margin: 0;
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padding: 0;
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}
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iframe {
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width: 100%;
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height: 100%;
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border: none;
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}
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</style>
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</head>
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<body>
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<iframe src="https://ccmusic-database-gz-isotech.ms.show"></iframe>
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</body>
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</html>
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