 Other classic synthesizers include the Moog Minimoog, ARP Odyssey, Yamaha CS-80, Korg MS-20, Sequential Circuits Prophet-5, Fairlight CMI, PPG Wave, Roland TB-303, Roland Alpha Juno, Nord Modular and Korg M1.At the NAMM show in Los Angeles of 1983, MIDI was released.A demonstration at the convention showed two previously incompatible analog synthesizers, the Prophet 600 and Roland Jupiter-6, communicating with each other, enabling a player to play one keyboard while getting the output from both of them.