Music by Stephen Lawrence
Lyrics by Cathi Rosenberg-Turow
Date 1989
Publisher Sesame Street Music
SJL Music Co.

"Someone's Here With Us Who Wasn't Here Before" is a Sesame Street song from episode 2599.

After the hatching of a baby duck, Maria, Luis, Big Bird, Snuffy, The Amazing Mumford and Oscar sing about the baby and the world awaiting it to explore.