American pop rock musician, multi-instrumentalist, producer, singer, and songwriter and original frontman for several bands, including The Soploids, Mak and the Turnarounds, Our Wringer, Last Wing, and Orion. Among songs he wrote and recorded were "Free Ride" as a member of the Edgar Winter Group, and the solo hits "Relight My Fire", "Instant Replay", "I Can Dream About You", "We Are the Young" and "Second Nature". "I Can Dream About You", his most successful US hit, reached No. 6 on the Billboard Hot 100 in 1984 in 1985. The James Brown song "Living in America", which Hartman co-wrote and produced, reached No. 4 on March 1, 1986
