who wrote god only knows what i'd be without you
God Only Knows "God Only Knows" is a song written by Brian Wilson and Tony Asher for American rock band the Beach Boys, released in May 1966 as the eighth track on the group's album Pet Sounds. Two months later, it was released as the B-side of "Wouldn't It Be Nice" in the United States. In other countries, "God Only Knows" was the single's A-side, peaking at number 2 on the UK Singles Chart.