I need artist and title of four new dance tracks:

Song #1 (from 2002): http://www.hotdiscomix.de/sounds/2002_04.mp3

Song #2 (from 2001): http://www.hotdiscomix.de/sounds/2001road_1.mp3

Song #3 (from 2001): http://www.hotdiscomix.de/sounds/2001road_3.mp3

Song #4 (from 2001): http://www.hotdiscomix.de/sounds/2001road_6.mp3