Like to ad:
Liza Minelli - Cabaret. More power than the rest together.
Mirella Freni - La Bohéme (best male to Pavarotti). Classical but you
can´t oversee her just because of that...
Janis Joplin - for the rawness and feeling (Me and Bobby McGee)
Nina Simone - for the interpretetation (Mr. Bojangles)