All Time Fantasy Band

No more than one person per band.
Mine is:

Drums - Danny Carey (Tool)
Bass - Steve Harris (Iron Maiden)
Guitars - James Hetfield (Metallica) and André Olbrich (Blind Guardian)
Vocals - Blaze Bayley (Blaze Bayley, Wolfsbane, Iron Maiden)
Free role - Christofer Johnsson (Therion)

What a line-up.