Nice job Matt. Looks like we got a David Steinberg Jr. here. As a stats geek myself, I'm curious as to the respondent's demographics. Would love to know how the versions stacked against one another based on respondent's:

Current age:
<20, 21-30, 31-40, 40+

Age of introduction:
<20, 21-30, 31-40, 40+

Era of intro:
1.0: pre '92, '92-'94, '95-'97, '98-2000
2.0: '02-'04
3.0: '09-'11, '12-present Day

Age of onset of heavy listening (> 40% of musical diet)
<20, 21-30, 31-40, 40+

Era of onset of heavy listening:
1.0: pre '92, '92-'94, '95-'97, '98-2000
2.0: '02-'04
3.0: '09-'11, '12-present Day

# of shows seen:
<20, 21-50, 51-100, 101-200, 200+