For Macintosh users that require additional features to iTunes (up to 20 compressed and uncompressed formats) I suggest the open-source software known as 'Max'...

http://sbooth.org/Max/#max

Not an Actor, nor married to Jamie-Lee Curtis.

#1: DSP5200SE|DSW.2|218|210|506.2|504
#2: Prime/PSU|SOtM sMS-200 Mini NEO SE|Focal Stellia