Peter Cetera was on an album.
Chicago (band) . They have sold over 40 million units in the U.S. , with 23 gold , 18 platinum , and 8 multi-platinum albums . Peter Cetera . Cetera was inducted into the Rock and Roll Hall of Fame as a member of Chicago in April 2016 , and Cetera , Robert Lamm , and James Pankow are among the 2017 Songwriters Hall of Fame inductees for their songwriting efforts as members of the group .