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.
It is a love song whose lyrical hook is a more literal use of the expression "I swear to God" :
The first Valli song to incorporate the disco style,
"Swearin' to God" features Patti Austin singing a response to Valli's praise in the bridge.
"Swearin' to God" hit number 6 on the U.S. Billboard charts and also charted #31 in the UK.
Cash Box said of the edited single version that "Frankie's distinct vocal delivery meets a big, brassy arrangement and the result is a song that will surely skyrocket to the top."