Kreol is a piece of software that turns a traditional qwerty keyboard into a musical instrument played by typing.http://www.synthtopia.com/content/2009/03/27/kreol-performance-play-music-by-typing/ Kreol is played by pressing keys which correspond to musical notes or chords depending on how the user commands it. "But unlike a normal piano, Kreol players can alter the "Do" note – the root of the scale – in order to play the same melody in a different key, sort of like a guitarist sliding a chord to a new area of the fretboard."http://www.wired.com/gadgets/mods/multimedia/2009/03/gallery_instruments?slide=25&slideView=4 Kreol has phrase and pitchbend capabilities operated by the mouse

Mouse (computing)

In computing, a mouse is a pointing device that functions by detecting two-dimensional motion relative to its supporting surface. Physically, a mouse consists of an object held under one of the user's hands, with one or more buttons...

. Kreol also includes drums and chord

Chord (music)

A chord in music is any harmonic set of two–three or more notes that is heard as if sounding simultaneously. These need not actually be played together: arpeggios and broken chords may for many practical and theoretical purposes be understood as chords...

 modes, so with three performers you can play lead, chords and rhythm

Rhythm

Rhythm may be generally defined as a "movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions." This general meaning of regular recurrence or pattern in time may be applied to a wide variety of cyclical natural phenomena having a periodicity or...

. Kreol was conceived and created by Mike Block and Jerzy Gangi.http://www.designverb.com/2009/03/10/kreol-music/http://jerzygangi.com/music-software