Tonto's Expanding Head Band has been played on NTS over 30 times, featured on 30 episodes and was first played on 22 March 2013.

Tonto's Expanding Head Band was an electronic music duo consisting of Malcolm Cecil and Robert Margouleff. Despite releasing only two albums in the early 1970s, the duo were (and still remain) hugely influential because of their voluminous session work for other musicians (most notably Stevie Wonder), extensive commercial advertising work and the unique warmth and personality of their work.

Tonto is an acronym for "The Original New Timbral Orchestra," the world's first (and still the largest) multitimbral polyphonic analog synthesizer, designed and…