The Electro-Harmonix MEL9 Tape Replay Machine can turn your guitar, bass, or keyboard into a Mellotron. Plug in your instrument, and select between nine classic Mellotron sounds: Orchestra, Cello, Strings, Flute, Clarinet, Saxophone, Brass, Low Choir, and High Choir. It also provides great control with the Attack and Sustain knobs and provides two outputs allow for two-amp setups. Electro-Harmonix's MEL9 Tape Replay Machine is perfect for anyone looking for an authentic keyboard-emulation sound!