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 Rogerio Santos Classical Guitar - Natalia by Antonio Lauro, 1973 Master Yairi Classical Guitar (CY200) with Brazilian Rosewood and Cedar, 1963 Ramirez Flamenco Guitar MM - Guitar Demo Review (Classical & Flamenco)