DrumTrack

Builds scores using re-usable patterns, allowing up to 8 patterns on one measure. DrumTrack is an open source software drum machine that allows the editing, playback, and mixdown of complete drum scores using audio samples in a variety of formats (WAV, OGG, MP2, WMA, AIFF, FLAC, MP3).

Here are some key features of "DrumTrack":
Allows edit and playback of a drum score using the drum sounds and patterns that you create.
Allows customizing your own drum kit using your own drum samples with any of the following audio formats: WAV, OGG, MP3, AIFF , FLAC, MP2, WMA. The volume and pan of each drum sample are customizable.
Supports realtime playback or export to WAV.
Scores built using re-usable patterns, allowing up to 8 patterns on one measure.
Adjustable volume for each drum hit.
Pattern previewer allows you to edit patterns while they are still playing.
Use sample groups along with your own custom drum sounds to change the quality of each drum hit to give your score a more human quality. This feature requires multiple audio samples for each variable hit.
Change the number of beats and divisions in each pattern to support time changes and triplets.
Randomize drum hits/volume to approximate human error.
Add repeats and tempo changes to your score.


Requirements:
DirectX (version 9 or later recommended)
Mouse or other compatible pointing device
Sound card