The synthesizer is ubiquitous on the Arab–American musical scene. Heard at every party, and on every recording, the synthesizer sings the lingua franca of international popular music. While the facade and the body of the synthesizer consist of neutral, slick, black plastic and metal technology, the soul of the instrument, when played by Arab–American musicians, is capable of a completely indigenous, if synthetic, musical idiom. In this article I draw on my experience of six performers of the Arabic ‘org’, commonly known today as ‘keyboards’, to present a sketch of a modern musical tradition.