Misc: Which country left the Commonwealth in 1987 and has not rejoined?

Questions

Pop Culture: Label bought by TVT, with KMFDM, Revolting Cocks, Coil, Thrill Kill Kult..?

Pop Groups: Christian heavy metal group which hit with 'Honestly" in 1987.?

Pop Groups: Eleven fans were trampled to death at one of their concerts in 1979.?

Pop Groups: First name of the younger of the two Everly Brothers.?

Pop Groups: Henry Rollins led this group.?