"Let's Hang On" (Crewe - Linzer - Randell) by the Four Seasons (Frankie Valli, Bob Gaudio, Nick Massi and Tommy DeVito) peaked at number three on the Billboard singles chart in 1965. This was the last release that included long time member Nick Massi. Like so many other Four Seasons hits it was produced by Bob Crewe. As an opinon, the stage show is better than the movie version of "Jersey Boys", yet both are entertaining.

The Barry Manilow 1981 cover hit the top ten on the Adult Contemporary chart and the top thirty pop while gaining even more popularity in the U.K. Barry produced the single while the album "If I Should Love Again" contains the song as the second track.