Marco Billi (Jarguna) is attracted by the experimental music since the eighties and in 90 starts to explore the means by buying a bass, in 94 brings home his first synthesizer, a Korg M1, addresses courses electronic synthesis, sound engineer and specifications management sequencers. Increases the collection of instruments, with the Yamaha TG500, a sampler of the Roland S-330, as well as DX7, D-50, entering to do with the subtractive synthesis that the frequency modulation algorithms.