Shoegaze Will Save the World, ep 6 (but who's counting?)

I'll give you two thru four here, and #1 will be revealed later.

#2 is Cocteau Twins. This wins easily in a world where #1 doesn't exist:

#3 Probably not "shoegaze", according to Hoyle, but it's a life-changing experience:

#4 Is more on the Goth tip.