[cjr888]

Usually listen to female vocals?  Like cover tunes?  Like some songs but find them too aggressive?

Change the pitch/tempo of a song by 7% and turn males into females, and females into males.  Some of the examples are rather impressive.  Check out Otis Redding as an example.

http://www.brunel.ac.uk/%7Edt00ddl/Audio/seven.html