NEW LOW PRICE!
BtBx is a music sequencer for the iPhone or iPod Touch.

BtBx gives you instant access to the world of electronic music with big drum sounds and acid-style synthesizers.
With an easy to use sequencer and keyboard view, you will have creative freedom without overwhelming you with complicated options.

Features:

8 Drum Sounds
2 Instrument Sounds
2 Real-Time Synthesizers
16 Step Drum Machine Style Sequencer
16 Patterns
Keyboard with +/- 3 Octave Range
Realtime Mutes
Tempo Adjustment (40-240 BPM)
Low Pass Filter with Cutoff Frequency and Filter Resonance
Distortion Effect
Delay Effect Synced to Tempo
Cut and Paste Patterns
Erase Pattern
Erase Instrument
Multiple Pattern Playback
Auto-Saves Information so no data is lost
New, Save, Load or Delete Song Sessions
13 Different Sound Kits
Low Latency Audio Engine
Improved Graphics Engine

With BtBx you can:

Manage your song sessions
Write/Program song melodies
Play any drum or instrument sound forward or in reverse on any pattern step
Modify a Low Pass Filter on each sound (12 total LFPs running at the same time!)
Play your song live with mutes and live pattern changes
Jam live over your song
Come up with new ideas!

With all of these features at your fingertips, you'll be able to make beats, rhythms, and melodies in no time!