 Although uncredited , Bell contributed to the writing of some of the album 's songs , including " O My Soul " and " Back of a Car " . Shortly before the album 's release , Hummel left the band : judging that it would not last , and in his final year at college , he elected to concentrate on his studies and live a more normal life . He was replaced by John Lightman for a short tenure prior to the band dissolving . 
