"Feelin' Stronger Every Day" is a song written by Peter Cetera and James Pankow for the group Chicago and recorded for their album Chicago VI (1973). The first single released from that album, it reached #10 on the U.S. Billboard Hot 100. Cetera played bass and sang lead vocals and keyboardist Robert Lamm played two electric pianos on the song: a Wurlitzer electric piano and a Hohner Pianet as well as acoustic piano.