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.
7) Nada is an experimental / ambient project helmed by Rob Riddle with various contributors including Scott Martinez (Autumn Cathedral), Damien Gonzalez (Swivelfaust, Slur) and Mason Jones (Trance). They had one release "awkward y borracho core del todo" on Flying Esophagus Productions - distributed by Charnel House.
8) Nada is a Moroccan singer (please use Nada Halaftek
9) Nada is a rapper and beatmaker from Finland [http://www.myspace.com/nadabeats]
10) Nada is a collaboration project between Humphrey Bacchus and Russell Davies, aka Abakus.
11) Nada is a Turkish alternative/electronic pop-rock group [http://www.myspace.com/nadaist]
12) Nada is (maybe) a German punk band (Taugenix Sampler #2).
13) Nàda is an avant-garde metal band from Switzerland (please use the tag Nàda).
14) Nada (나다) is a Korean rapper and member of the girl group WA$$UP. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.