There is only one file type that uses the .MTP extension:
MadTracker 2 Pattern
An MTP file is a pattern created by MadTracker 2, an audio tracking program. It contains a song pattern that can be applied to a track in the .MT2 module. MTP files can be opened through themenu in the MadTracker interface.
MTP files are created when you save a pattern in MadTracker. The file is created in order to store your pattern information. To create an MTP file, selectand choose the save location. MTP files are saved by default in the following location:
To load an MTP file, selectand navigate to the location of the MTP file.
Updated: January 24, 2017