There are more than one band with the name 'No Authority': 1. An American boy band, who biggest single, "Can I Get Your Number?", was a top 40 airplay hit in 2000. They started out in the late 90's with Ricky Godinez, Eric Stretch, Danny Zavatsky and Josh Keaton. Josh left the group and Tommy McCartney replaced him. They broke up in 2001 2. A young punk rock band from Czech republic.They started in the 2004 with Petr Taborsky, Tomas Kalabis, Jaroslav Rybka and Adam Fojtik. They broke up in the 2008.