Traffic Sound has been played on NTS over 20 times, featured on 24 episodes and was first played on 7 June 2014.

Traffic Sound was a psychedelic and prog rock band from Lima Peru, founded in 1967 by Manuel Sanguinetti (vocals), Freddy Rizo Patrón (rhythm guitar), Jean Pierre Magnet (sax), Willy Barclay (Willy "Wilito" Barclay) (lead guitar), Willy Thorne (bass) and Luis Nevares (Luis "Lucho" Nevares) (drums).

Freddy and Manuel had met in school and played in Los Hang Ten's. Freddy and his older brother Jose originally thought of founding "Traffic Sound". The name was chosen because of their penchant for a traffic light, placed…