In this podcast, Ken Downey shows us how to create new instruments on ThumbJam. He also talks a little about the trickiness of direct touch and how to turn it off temporarily whilst changing settings.

ThumbJam is a powerful musical performance experience. You get over 40 high-quality real instruments multi-sampled exclusively for this app. Hundreds of included scales allow you to effortlessly play in any style from rock to classical, whether you are a musical novice or a seasoned professional.

ThumbJam makes use of tilt and shake to add vibrato, tremolo, note bends, and volume swells for more realistic and expressive results. It supports up to five (eleven on iPad) simultaneous touches and up to 24 voice polyphony, for each of up to 8 loaded instruments! Delay and stereo reverb add depth to the sound, and a resonant lowpass filter gives you more tone shaping power. Put on your headphones or plug in to your home stereo to experience some of the highest quality instruments in the App Store.

Build your own loops from the ground up or import your favorites and jam from there. Layer as many loops as you want, with different instruments for each. Export your loops as audio files or Ardour DAW sessions via WiFi. Copy and paste audio from other apps using Sonoma Wire Works AudioCopy/Paste as well the general pasteboard, via email, AudioShare, iTunes Document Sharing, or open directly in another application. Supports Audiobus and Inter-App-Audio for streaming sound to/from other apps in real-time, including state save/restore with Audiobus2.

ThumbJam is a US$8.99 download from the iTunes App Store