"When There's No You" is a song written by Les Reed and Jackie Rae and performed by Engelbert Humperdinck. The melody was adapted from the music of Ruggero Leoncavallo's opera Pagliacci. The single was Humperdinck's second of four number ones on the Easy Listening chart in the US, reaching number one in April 1971. On the Billboard Hot 100, "When There's No You" peaked at number forty-five.[1]