foobar2000 is a very recommendable media player. It is developed by Peter Pawlowski, who used to work on Winamp3. It uses a plain and simple UI - no skins, no fuss. While in playback mode, it approximately consumes 1.9 megabytes of RAM.Changes in Current Version:
Fixes major issue with mem_block_aligned_t

Download foobar2000 0.7 Beta 2