Adjust Track Volume to set the relative volume of each track.
Adjust Pan to set the track's left/right Pan position, or stereo balance.

If the song has any Audio Tracks,

Click the Delay check box to add a delay, or echo effect, for that track.

Adjust Intensity to control how many times audio sounds are repeated.

Adjust Time to control how long the delay effect is stretched out.

If you are playing music through a Sound Card,

Adjust Master Volume to adjust the relative volume between Synthesizer Instrument tracks and Audio tracks.

The Stereo Audio Output checkbox is enabled when all audio tracks were recorded as MONO tracks. When checked, it causes the audio output to be stereo, where the stereo effect is created by manipulating each track's Pan position control..
The Copy mixed audio to new audio track button mixes all enabled audio tracks and copies the result to a new audio track.
The Save mixed audio button mixes all enabled audio tracks and copies the result to a new .WAV file that can be loaded by other Audio programs.

If your song has Audio tracks, you can use DirectX audio Effects Processor pluggins provided by any software vendor. Press the DirectX Effects... button to select which effects you want to use in this song, or to adjust their properties. To install DirectX Effects Processors, go to your favorite shareware site and search for DirectX.