Complex sentence: Haaga went on to form The Demonseeds, played bass guitar on the first album of Superjoint Ritual, and released a solo LP, with the backing of Houston-based musicians, entitled "The Plus and Minus Show".
Split into simpler sentences: Haaga went on to form The Demonseeds, and played bass guitar on the first album of Superjoint Ritual. He also released a solo LP, with the backing of Houston-based musicians, entitled "The Plus and Minus Show".