The other electronic instrument that appeared that year was the first electronic synthesizer. Called the RCA Mark II Sound Synthesizer, it used vacuum tube oscillators and incorporated the first electronic music sequencer.

Nexus 21 – The Rhythm Of Life Label:Blue Chip Catalog#:BLUE TEC. 2 Format:Vinyl, LP, Album Country:UK Released:1989 Genre:Electronic Style:House, Hardcore, Techno Credits Producer, Arranged By, Mixed By, Engineer, Programmed By, Mastered By, Keyboards – Nexus 21 Written-By – Peat , Archer Notes Recorded, mixed and digitally mastered at Blue Chip (Soul Sound Studio 1). Tracklist A1 (Still) Life Keeps Moving Lyrics By – Scene 2 Productions Vocals – Joanna (5) Written-By – Desouza , Great Bach … It was also used by other, primarily French, composers such as Andre Jolivet.