1. Mastering. In order to ensure good audio quality, and meet the standards of today's music industry, all audio files, must have undergone a professional mastering before their distribution.
2. Audio quality. The audio files should not have any sound imperfection. Audio files containing any background noise, and/or other sound imperfections will not be accepted for distribution.
Minimum of 16 bit, 44.1 Khz, stereo. Recommended 24 bits, 48Khz or 24 bits 96Khz.
3. Audios and their titles. Audio files must match their respective song or track title.
4. Silences or pauses. Silence cuts, pauses or extended silences at the end of the tracks are not allowed by the channels. If a song ends with a final silence it should last no longer than ten seconds.