Visual projects need the most flexibility when mixing a song into a scene, therefore, songs with a definite start and end are more preferable than songs with fade-ins or fade-outs.
If your artistic vision calls for a fade-in or fade-out, it may be a good option to do a mix version with a definite start and end to give potential buyers the option.
Next Step: Click here to learn how to upload additional files to your existing Main mixes.