Cut your music tracks into 15-second or 20-second intervals.
Save as .ogg file format in a file folder on your computer.
Derive this or any music trigger derivable (i.e., Create mode)
Upload the appropriate number of tracks - Actions TAB - Sound section
ADD and Label the ACTION TAB - Action Parameters section (i.e., trigger name)
Click on Apply changes.
Test your triggers
When it is as you want it --- click on SAVE
Click on Upload and fill out the required IMVU Product Information
SUBMIT and PUBLISH