Audio mixing means combining multiple channels (drums, bass, vocals, guitars, keyboards etc.) into a stereo file. Professional mixing that meets the quality standards of major record labels requires deep knowledge of techniques, vast experience, great musical taste, as well as expensive equipment and acoustically treated rooms.

Free simple project editing
3 revisions included in the price
Each next 3 revisions for $25
2-3 business days turnaround per song, or 1-day Rush Service per song ONLY after files confirmation
Five minutes song duration limit

Ensure that the mix down is not clipping, and avoid using normalization, compressor, EQ, or limiter on the master bus (master fader).
Make sure the peaks are not louder than -6db.
Export multitrack session from your DAW.
Submit your demo mix and put reference track for your song, if possible.