There is more than one artist with this name:

1) French hip hop artist

2) Swedish heavy rock trio (http://alonzo.bandcamp.com)

3) American electro artist (http://www.myspace.com/alonzo902)

4) Swedish punk rock singer Michael Alonzo, who's played in notable bands KSMB, Stockholms Negrer and Alonzo & Fas 3. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.