Summary: Dance music - (1) Sylvia Tosun, (2) JES, (3) Pitbull, (4) Jennifer Lopez, (5) Katy Perry, (6) Selena Gomez, (7) Afrojack f. Eva Simons, (8) Robyn, (9) Coolio, (10) Kim Sozzi, (11) Wolfgang Gartner, (12) Armin van Buuren, (13) Natalia Kills...