The GR-30 represents the state-of-the-art in guitar synthesis. It combines a new set of 384 high-quality instrument sounds with unique Arpeggiator, Harmonist and Multi-effects capabilities to shatter all boundaries to what you can accomplish with your guitar. 384 stunning instrument sounds (tones) stored via 8MB of onboard memory. Tones include vintage analog synths, nylon string guitars, organs, orchestral sounds, various ethnic instruments, and much more Lightening fast triggering via optional GK-2A Divided Pickup for extremely natural, expressive feel Advanced programmable arpeggiator allows for the creation of various arpeggios - from classical guitar-style fingerpicking to synth and drum patterns - simply by holding down a guitar chord and strumming the strings New Synth Harmonist feature adds "intelligent" harmony to a single note Built-in Roland reverb, delay, chorus and flanging effects Gives guitarists access to the world of MIDI music, computer-based sequencing, etc