‘I’m Wishing’ is the first song in 1937’s Snow White and the Seven Dwarfs, and since that’s Disney’s first animated film, that makes it the first classic Disney Animated song.
First up, another track from the album Stay Awake: Various Interpretations of Music from Vintage Disney Films, here’s Betty Carters jazz cover:
Found Aaron on youtube where he has tons of covers of Broadway tunes, and a few Disney classics too: