frankie valli and the four seasons swear to god
Swearin' to God "Swearin' to God" is a song written by Bob Crewe and Denny Randell. It was recorded by Frankie Valli and released in May 1975 as a single from his album Closeup.[1][2][3][4] It's a love song whose lyrical hook is a more literal use of the expression "I swear to God" (i.e., "I mean this sincerely"):