Jersey Boys and Four Seasons' fans should enjoy this interview with Charlie Calello on the The Frank Truth Show #117.
While this podcast is dedicated to Frank Sinatra, the Four Seasons, the Four Lovers, Frankie Valli, Bob Gaudio, Nick Massi, and Jersey Boys are mentioned in the very early part of the interview.
Charlie Calello was a member of the Four Lovers and for a short time officially part of the Four Seasons. He was also the primary arranger for huge percentage of Four Seasons and Frankie Valli songs and albums.
There is also some great commentary from Charlie Calello in the Jersey Boys coffee table book.