Sing a Song
Sing a Song can refer to:

Sing a Song (album), a 1978 album by Phyllis Hyman, and the title track
"Sing a Song" (Earth, Wind & Fire song), a 1975 song by Earth, Wind & Fire
"Sing a Song" (Third Day song), a 2003 song by Third Day
"Sing" (Joe Raposo song), a 1972 song written for Sesame Street and popularized by the Carpenters, sometimes referred to as "Sing a Song"
"Sing a Song", a 2004 Japanese song from the album Chobits Character Song Collection
"Sing-a-song", a 2021 song by Pentagon from the EP Love or Take

See also
"Sing a Song of Sixpence"
"Sing a Simple Song"