Blue ( Da Ba Dee ) of the Italo disco genre by Eiffel 65 became extremely popular in 1999 .
Consequently Blue ( Da Ba Dee ) from the Eiffel 65 reached extreme popularity in 1999.Rete 4 channel in Italy , Hits 24 , Goldstar TV , and ProSieben channels in Germany , and the program Nostalgia on Spain 's TVE channel started to broadcast Italo disco .
Italo disco