Remember these vital tips before you send us your songs
Give us enough room to master your audio (or in other words 'headroom'). If you compress/normalise the audio yourself you won't leave any room for us to master. The end result will not sound as good as you or we would want it.
44.1KHz/16 Bit Audio or Higher
WAV'S ONLY
No MP3s, No WMA, No RA, No AIFF