|Written by||Buck Clatyon|
"What's Your Number?" is a jazz instrumental song originally recorded by Count Basie and his Orchestra in 1940.
A Sesame Street Season 28 insert features Elmo dancing to the song. (First: Episode 3526) This insert was featured as the tag end of the video Get Up and Dance in its original release. Later releases replace the segment with "Elmo's Rap Alphabet."