There a few bands named Avanti:

Avani (USA) - a metalcore band from Cincinnati Ohio

Avanti ( Japan) were a defunct indie rock band from Japan - Members were JUN (VOCAL & GUITAR), KUBOTA (GUITAR), ICHISE (BASS) and OKUWAKI (DRUMS). Label: http://www.3p3b.co.jp/bands/avanti.html

Avanti - Slovak Folk music band Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.