Jason Randolph Scheff, born on April 16, 1962, is an American musician known for
his roles as a bassist, singer, and songwriter. In mid-1985, at the age of 23,
Scheff joined the multiplatinum band Chicago, replacing Peter Cetera. His lead
vocals debuted on the 1986 single "25 or 6 to 4", a remake of their 1970 hit,
followed by "Will You Still Love Me?". Scheff composed several original songs
for the band, including the 1989 top-5 single "What Kind of Man Would I Be?" and
co-wrote "Heart of Mine" with Bobby Caldwell and Dennis Matkosky. The song
became a hit for Boz Scaggs in 1988...