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 Grenade-Bruno Mars on Flute :) (Sheet music link in description), Just Breathe- Pearl Jam on flute ***SHEET MUSIC IN DESCRIPTION**, Imagine- John Lennon on flute SHEET MUSIC IN DESCRIPTION