ThumbJam

ThumbJam is a powerful musical performance experience for the iPad, iPhone, and iPod touch

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. Even if you've only played air guitar, ThumbJam lets you sound like a pro. Pick an instrument and jam – with all the scales to choose from you'll never hit a wrong note. The high quality instrument samples will make you sound like you just skipped years of music lessons. For the performing musician, this app is awesome for soloing on an instrument you didn't bring along. Play in any key, any style – go from a string ensemble to a wailing guitar. ThumbJam was developed and tested by musicians to feel and sound like a real instrument.

App type: App

App store link:

Developer: Sonosaurus

Developer AB Forum Handle: @sonosaurus

How to select a separate midiout channel for TJ and to silence the internal selected instrument.

sonosaurus In Prefs→Midi control, in output options set Channel Start to what you want, and make sure channel per touch is OFF (if sampletank or other normal apps are your target).

To mute the internal instruments, go to Sound → Volume/iPod and flip the Instrument Mute to on.