There is more than one artist with this name: 1) Nada (born Nada Malanima, 17 November 1953 in Gabbro, Province of Livorno) is an Italian singer.
2) Nada is a Finnish group founded by composer Eero Hämeenniemi, that fuses elements of modern jazz, contemporary chamber music and world music.
3) Nada is a trance duo formed by Gidi Raz & Koby Levi.
4) nada is an electronic/ambient project by Steve Grainger [http://www.myspace.com/nadasonic].
5) Nada is a Venezuelan hardcore punk band.
6) Nada is a Costarican alternative rock band.