Misc: Caribbean plant yeilding a substance used in cosmetics?

Questions

Early Pop Rock: They sang "A Question of Temperature".?

Eclectic Excursion: His 2nd LP, "Neither Fish nor Flesh", was widely considered a disappointment.?

Eclectic Excursion: Liz Frazier contributes vocals on which FSOL single?

Eclectic Excursion: Massive Attack's "Safe From Harm" features vocals from this female artist.?

Eclectic Excursion: She does guest vocals in 808 State's "Oops".?