Charles Calello (born August 24, 1938) is an American arranger, composer, conductor, record producer, and singer born in Newark, New Jersey. Calello attended Newark Arts High School and the Manhattan School of Music, in New York City. His track record of successfully collaborating with various artists to produce or arrange Billboard hit songs led to his nickname in the industry as the "Hit Man". In the late 1950s, Calello was a member of Frankie Valli's group The Four Lovers, but... [more on Wikipedia]