Yep which ever way you look at it the keys of B & C are still higher than E.
Ok try singing in B or C lower than E. Not possible unless you're Pavarotti. It's more difficult when you consider that Mick does not have a huge Octave range and voice his more Tenor/ Baritone
NickB
ps trust me I'm a musician and have sung in a choir I think I know what I'm talking about.
PPs sorry I got a bit pompous there