There are more artists using the name Disco:
1) Disco is a Finnish synth-pop band
2) An english-speaking rapper from Berlin , Germany, but grown up in Texas. www.myspace.com/discoberlin
3) Disco (or Disco. or DisCo or DisCompany or later and more famously known as Disco Ensemble) is also a hardcore / post-hardcore / emo band from Pori, Finland
4) Disco is a D-beat band from Southern California
5) Disco is a Welsh punk band.