Robert Lamm is a famous American Keyboard Player, Singer & Songwriter. He is best known for his work as a founding member of the rock band Chicago. He was born in Brooklyn on October 13, 1944. Lamm began his musical career in the early 1960s, playing in local bands. In 1967, he joined Chicago as a founding member and has been with the band ever since. Lamm is the lead vocalist on many of the band's most popular songs like, "Questions 67 & 68," and "Beginnings." He has also written or co-written many of the band's hits including "25 or 6 to 4," "Saturday in the Park," "Make Me Smile," and "You're the Inspiration."