Steve Fossen and Michael Derosier, bassist and drummer for the band Heart during the 1970s and early 1980s, are now touring as Heart By Heart. Fossen and Derosier are the powerful driving engine behind Heart's classic hits like “Barracuda”, “Straight On”, “Crazy On You”, “Magic Man”, “Even It Up”, “Dog & Butterfly”, “Heartless”, “Kick It Out”, and more. First formed by Steve Fossen in 1969, Heart went on to release six top-10 albums and landed 20 hit singles on the Billboard top 40 chart.