Complex sentence: The "small town boy born and raised in south Detroit" is actually a reference to a roadie nicknamed "Sterno" on Journey's Departure Tour who later went on to success as Executive Producer for musical festivals such as Chicago's Ribfest and Farm Aid.
Split into simpler sentences: The "small town boy born and raised in south Detroit" is actually a reference to a native born Detroiter who was a roadie nicknamed "Sterno" on Journey's Departure Tour. He later went on to success as Executive Producer for musical festivals such as Chicago's Ribfest and Farm Aid.