videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Heroes of Might And Magic II - Grass Theme Classical Guitar Cover With Tabs, Sis Puella Magica on Classical Guitar With Tab, Kingdom Hearts (キングダム ハーツ) 358/2 - Xion's Theme Classical Guitar + Tabs