What do have in common Kanye West, The Black Eyes Peas, P. Diddy or Akon and Will.I.Am? Indeed they are rappers, but above all they have recently affected the world of electronic music in one way or another. For a few days now, it is possible to add a name to this prestigious list: Jay-Z, who just released his latest title using a sample of the voice of Justice "D.A.N.C.E." for his new single "On To The Next One".