Mark Andes (born February 19, 1948) is an American musician, known for his work as a bassist with Canned Heat, Spirit, Jo Jo Gunne, Firefall, Heart, and Mirabal. As a teenager, he was an early member of Canned Heat, but left before the band was signed to a recording contract. Andes was a founding member of the band Spirit. He played bass on their first four albums and on some subsequent reunion albums. During a bout with the flu, Mark co-wrote one of Spirit's first singles, "Mechanical World," ...