Robert John "Bob" Gaudio (born November 17, 1942) is an American singer, songwriter, musician and record producer, and the keyboardist/backing vocalist for Frankie Valli and The Four Seasons. "Can't Take My Eyes Off You", written by Bob Crewe and Bob Gaudio, was a 1967 single by Frankie Valli. The song was among Valli's biggest hits, reaching #2 on the Billboard Hot 100 and earning a gold record. It was one of several hits that Valli recorded with the participation of his vocal group, The Four Seasons, and his biggest "solo" hit until he hit #1 in 1974 with "My Eyes Adored You". In the song, the lyrics are "You're just too good to be true. Can't take my eyes off of you."Robert John "Bob" Gaudio (born November 17, 1942) is an American singer, songwriter, musician and record producer, and the keyboardist/backing vocalist for Frankie Valli and The Four Seasons."Can't Take My Eyes Off You", written by Bob Crewe and Bob Gaudio, was a 1967 single by Frankie Valli. The song was among Valli's biggest hits, reaching #2 on the Billboard Hot 100 and earning a gold record. It was one of several hits that Valli recorded with the participation of his vocal group,.