OpenSource MP3 Player?

Is there is any Open Source MP3 Player Equivalent to Music Match 10 Jukebox?

Why Yahoo irritates and frustrates all Music match users and lovers in this world?

If Yahoo is not going to support Music match anymore, then why not make it as a Open Source from here after?

Quotes

"Every woman is a gift when she becomes a daughter, Every woman is beautiful when she becomes a lover, Every woman is special when she becomes a wife,Every woman is like god when she becomes a Mother" - Vivekthangaswamy

MPEG optimizer is disabled in Ulead VideoStudio 11

I am unable to enable MPEG optimizer when I select the option of Create Video file option.

I find MPEG optimizer is disabled I use video studio editor.

Can anyone post reply for this problem. I'm using the full version.