Jazzy Strings, the band in which he is mostly involved, is a band in love with gipsy music, and two giants of jazz music, Django Reinhardt and Stéphane Grapelli. This group, created by Mario Cavaliere, have performed, since 1992, in the greatest festivals of Europe (Juan-the-Pines, Nice, Marciac, the Samois-on-Seine, Helsinki…). The band: Mathieu Chatelain on rhythmic guitar, Eloi Baudimont or Jean Wellers on the double bass and of course Mario Cavaliere as the solo guitarist, gave his son Alexandre access into the closed circle of the jazz world …

Jazzy strings have also performed with many prestigious guests, such as Samson and Dorado Schmitt, Angelo Debarre, Bireli Lagrene…and currently Rene Sopa.