"Baby It's You" is a song originally written by Burt Bacharach, Luther Dixon (credited as Barney Dixon), and Mack David. It was recorded and made famous by The Shirelles and The Beatles. The highest-charting version of "Baby It's You" was by the band Smith, who took the song to number five on the US charts in 1969.[1]Adele performed a cover of the song (with Burt Bacharach playing piano) at the BBC Electric Proms concert in 2008.[2]