Biography (Source: WikiPedia)
Francis Wayne Sinatra, professionally known as Frank Sinatra Jr., was an American singer, songwriter, and conductor. By his early teens, Sinatra Jr. performed at local clubs. At age 19, he became the vocalist for Sam Donahue's band. He also spent considerable time with Duke Ellington, learning the music business.
Sinatra spent most of his early career on the road. By 1968, he had performed in 47 states and 30 countries, had appeared as a guest on several television shows including two episodes of The Smothers Brothers Comedy Hour with his sister Nancy, hosted a 10-week summer replacement series for The Dean Martin Show, had sung with his own band in Las Vegas casinos, and had been the opening act for bigger names at other casinos. During that time, he gained a reputation for rigorous rehearsals and demanding high standards for his musicians.