The answers to the following clues are all Pop Groups. The questions I need help with are :
1) Ski slope vigilantes perhaps (2 words)
2) Here if we hit hard times (2 words)
4) A ferrite miss (2 words)
7) West possibly (2 words)
8) Kin of The Bard perhaps (2 words)
10) They lengthen as the sun goes down (2 words)
12) This drama will give you goose bumps (1 word)
13) Pleased to have expired (2 words)
17) This airship's unlikely to fly we hear (2 words)
18) These are minute dials (2 words)