: It was made famous by legendary artists like Billie Holiday , Frank Sinatra, and Louis Armstrong.

: This is one of the most recorded jazz standards of all time, originally written by Gerald Marks and Seymour Simons.

: It is heavily percussive and requires the pianist to use their forearm to hit a cluster of keys at several points during the song.

: Released in 2013 on his album Love in the Future , this is a massive, chart-topping piano ballad.