As of October 2023, two of the original members of The Four Seasons, whose story is depicted in "Jersey Boys," are still alive. These members are Frankie Valli, born May 3, 1934, and Bob Gaudio, born November 17, 1942. Tommy DeVito, born June 19, 1928, passed away on September 21, 2020, and Nick Massi, born September 19, 1927, passed away on December 24, 2000.

In the movie "Jersey Boys," the biggest hit by The Four Seasons is "Sherry." Released in 1962, the song topped the Billboard Hot 100 chart and became a defining hit for the group, showcasing their unique sound and vocal harmonies. The film, which is based on the Broadway musical of the same name, chronicles the rise of the band and their journey through personal and professional challenges, with "Sherry" symbolizing their initial success.

Yes, "Jersey Boys" is based on the life and career of Frankie Valli and the musical group The Four Seasons, which he fronted. The film, directed by Clint Eastwood and released in 2014, is an adaptation of the successful Broadway musical of the same name. It chronicles the rise of the band, their struggles, and Valli's journey as a lead singer, highlighting key moments in their history and the personal challenges they faced.

"Jersey Boys" is rated R primarily for strong language and some mature themes. The film, directed by Clint Eastwood, portrays the rise and struggles of the iconic musical group The Four Seasons, featuring elements of their personal lives that include crime, betrayal, and the challenges of fame. The dialogue includes frequent profanity, which contributes to its R rating, reflecting the gritty realities of the characters' experiences. Overall, the rating indicates that the film is intended for mature audiences.