Gus Kahn's most famous songs include: "My Buddy" (1922) with music by Walter Donaldson, "It Had To Be You" (1924) with music by Isham Jones, "Side by Side" (1927) with music by Harry M. Woods, and "Makin' Whoopee" (1928) with music by Walter Donaldson. Kahn was also the lyricist for the Ted Healy/Three Stooges short film (1933), with music by Al Goodhart.