Complex sentence: The group performed at college parties and were regulars playing the "Cracked Pot" club across the street from campus, Joe playing stand-up bass but later leaving the group after graduation, moving to Minneapolis where went into business.
Split into simpler sentences: The group performed at the "Cracked Pot" club across the street from campus. Gannon played stand-up bass but later left the group, moving to Minneapolis where went into business.