"That Would Be Something" is a song written by Paul McCartney in Scotland, which was first released on his McCartney album on 17 April 1970.
McCartney sings and plays acoustic guitar, bass, tom tom and cymbal on this song. This song, and "Valentine Day", was mixed at Abbey Road Studios on 22 February 1970.
Shortly after the McCartney album's release, George Harrison described this song and "Maybe I'm Amazed" as "great". Stephen Thomas Erlewine of allmusic said the song was "light folk-pop".
"That Would Be Something" was also released on the 1991 album Unplugged (The Official Bootleg). The song was first performed live by McCartney, in Barcelona, on 8 May 1991.