Keep scrolling down for answers and more stats ...
Sweden
Germany 70's
France 60's onwards
Spain 70's (Duo - the two women pictured)
France 60's
Netherlands 70's
Netherlands 60's/70's
France Rock n Roll
Germany 70's
Germany Orchestral Pop
Spain 60's
Netherlands 70's
Greece 70's
Germany (Stage name)
Netherlands 60's Psychedelic Nederbeat
Italy Pop 60's onwards
Greece 70's
Netherlands 60's/70's
France 60's (English or French stage name)
Netherlands (Eurovision)