Complex sentence: He enjoyed modern art and had an art car, a custom built guitar made from an old bike that was showcased at Make magazine's Best of Maker Faire 2008 and was involved with the Burning Man group of artists.
Split into simpler sentences: He enjoyed modern art. He owned a custom built guitar made from an old bike that was showcased at "Make Magazine" s Best of Maker Faire 2008. He owned an art car, and was involved with the Burning Man group of artists.