So here are the answers and results for the ridiculously difficult CPPOP! Question 1.
QUESTION 1 ANSWERS
The wonderful world of fan art.
Here are 10 lovingly rendered portraits of musical people, by their fans.
All you had to do was name them. The musicians, not the fans.

Jack White (I KNOW.)

Chris Martin (Coldplay)

Mad Donna

Brian May (Queen)

Janet Jackson

Eminem

Dave Vanian (Damned)

Lana Del Ray

Brandon Flowers (Killers)

Lily Allen
Yes, yes, yes, it’s Jack White. What can I tell you?
Not Englebert Mercury after all…
So, here’s the leader board after Q1:
6 points
Mr. Dunn • Mr. Landi
5 points
Ms. Clements • Ms. Lancashire • Mr. Rothon • Mr. Young
4 points
Mr. Cleaver • Mr. Hoare • Mr. Redman • Ms. Renhard
You’re right, there’s a tie for first place. The tie-breaker is now underway, the result to be revealed soon.
Christophe Plays POP! ‘rules’ are here.
Pingback: Christophe Plays POP! Question 1 « Christophe Gowans
Lily Allen? Blimey..and I still think number 1 is Joan Armatrading. Jack White eh? Hmm
Here you have it:

Ah yes I can see it now. The hat gives it away :-)
wow – the Eminem one was killing me!
I was sure Jack White was Freddie Mercury. Re Lily: nice rendition, just not a good likeness.