Francesco Stallone Jr. (born July 30, 1950) is an American actor and musician. He is the younger brother of actor Sylvester Stallone and has written music for Sylvester's movies. His song "Far from Over" appeared in the 1983 film Staying Alive and was included on the film's soundtrack album. The song reached number ten on the US Billboard Hot 100 chart and received a Golden Globe nomination for Stallone, while the album itself, consisting of Stallone and various other artists, received a Grammy nomination.

Source: Wikipedia (https://en.wikipedia.org/wiki/Frank_Stallone)