I don’t know much about 300 Moonks, but their website and service should be good. Their track pricing seems fair and they should be able to generate some royalty free sales of your music.

To get them to review your submissions you need to pay $30.

300monks.com
Reviews Submissions Yes
Re-Titles Tracks No
Exclusive or Non-exclusive Non-exclusive
Set Own Price No
Commission Split 50%
Tracks Approved In ?

[starratingmulti id=2 tpl=47]