Mine, for one. https://www.youtube.com/watch?v=NV6rdmdZnkA (piano karaoke that o... | Hacker News

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robbrown451 on May 29, 2020 | parent | context | favorite | on: AudioMass – free, open source, web-based Audio and...

Mine, for one.

https://www.youtube.com/watch?v=NV6rdmdZnkA

(piano karaoke that overlays and syncs with youtube videos)

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