Soundslice (https://www.soundslice.com/ https://www.soundslice.com/) is a fully baked version of this idea. Tabs synced with videos, with a full notation/tab ed

Soundslice (https://www.soundslice.com/ https://www.soundslice.com/) is a fully baked version of this idea. Tabs synced with videos, with a full notation/tab editor and tons of built-in music practice tools.