Additional ride music may be added as follows:

1. Convert the new music file into a .WAV file, PCM format, 22,050Hz, 8bit, Stereo.

2. Move the file into the 'Data' subfolder in the RollerCoaster Tycoon installed folder, and rename it to either CUSTOM1.WAV or CUSTOM2.WAV

3. Run the game as normal. The additional music file should be recognized by the game, and will appear in music selection menus as "Custom Music 1" or "Custom Music 2".

Note: there can only be 2 custom music files if you add a 3rd it will not work.