Hi-Singers Research License (Non-Commercial)
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Copyright (c) 2026 The Hi-Singers Authors,
University of Science and Technology of China.

1. DEFINITIONS
   "Dataset" refers to the Hi-Singers data and all accompanying files released
   by the authors. "User" refers to any person or entity that accesses, downloads,
   or uses the Dataset.

2. GRANT OF LICENSE
   Subject to the terms below, the authors grant the User a non-exclusive,
   non-transferable, revocable license to use the Dataset SOLELY for
   NON-COMMERCIAL ACADEMIC RESEARCH purposes.

3. RESTRICTIONS
   The User shall NOT:
   (a) use the Dataset for any commercial purpose or in any deployed product;
   (b) re-host, re-distribute, or publicly re-publish the raw data or any
       substantial portion thereof;
   (c) use the Dataset to identify, surveil, defame, harass, or otherwise harm
       any individual, or to infer sensitive attributes;
   (d) remove or alter this license or any attribution.

4. SOURCE & TAKEDOWN
   The underlying videos were collected from publicly available content on
   third-party platforms in accordance with their Terms of Service, and consist
   of public performances by online singing creators. Any individual appearing
   in the Dataset, or rights holders, may request removal at any time by
   contacting harryjun@ustc.edu.cn; the authors will promptly remove the
   relevant data.

5. NO WARRANTY
   THE DATASET IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED. THE AUTHORS SHALL NOT BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER
   LIABILITY ARISING FROM THE USE OF THE DATASET.

6. TERMINATION
   Any violation of these terms automatically terminates the User's rights under
   this license.

7. ATTRIBUTION
   Publications using the Dataset must cite the Hi-Singers paper.

By accessing or using the Dataset, the User accepts all terms of this license.