I’ve been playing with this on my iPad for a little while now and it is great fun. Here’s the full app description:
Want to create that thumping bass line to fill the dance floor or a heart-wrenching lead line? Want to jam along with your friends – any time, any place and sound superb? grüvtron lets you jam and create in a multitude of styles and in any key all on your iPhone, iPod touch or iPad – whether you’re a trained musician or not!
COOL ELECTRONIC RIFFS and SOUNDS
Choose a Preset and grüvtron selects the right performances and synthesizer sound to create the foundation for creating your instrument Part . Grüvtron comes preloaded with performances and styles created in electronic dance styles like Techno, Trance Dubstep and others.
Just as easy as using loops but way more versatile. Just choose a Preset and jam! Change keys, scales, sounds and other musical parameters. The grid-based touch interface lets you create Bass, Lead, Chords, Pads and other musical Parts with control over note density and pitch. Bass part too busy? Too slow and plodding? YOU control the density of the part in real time! From slow whole-note soulful to fast and frenetic 16ths!
Morph and combine the musical patterns to create something uniquely your own! Use the Modulation strip to add filter, vibrato and other effects.
NO MUSIC DEGREE REQUIRED
Choose any key and grüvtron automatically keeps you in that key.
YOU *DO* KNOW MUSIC? COOL! GRÜVTRON HELPS YOU PERFORM AND PRODUCE A NEW WAY!
Live Play Mode lets you play the synthesizer sounds for free form musical performances. Smart Instrument technology lets you create cool parts never imagined before.
JAMMING IS FUN! ON YOUR OWN OR TOGETHER
Built-in drum beats are there to jam along with. Plus the BeatSync function lets you jam with another grüvtron or Looptastic (Producer or HD) user, and your tempos automatically lock with one another for no stress jams.
SHOW THEM WHAT YOU’VE GOT
Save your performance as an audio file to export to the Mac/PC and then email it to a friend.
CREATE NEW, INVENTIVE PARTS TO ADD TO YOUR YOUR NEXT TRACK
Copy and paste your new creations into other music apps like studio.HD (on iPad), StudioTrack, Looptastic (iPhone, iPod touch and iPad) or export to your Mac/PC for use in your apps there.
The app is priced at $4.99