Conversation so far:
what radio show was Steven Van Zandt host of ?
Underground Garage is a syndicated show by Bruce Springsteen & The E Street Band guitarist Steven Van Zandt to present rock 'n' roll and garage rock on radio
when did Steven Van Zandt start hosting Underground Garage?
Since 2002, Steven Van Zandt has hosted Little Steven's Underground Garage
was the show Underground Garage popular?
Underground Garage is heard by approximately one million listeners in the US each week
what international markets are Underground Garage listened?
Underground Garage is on select radio stations in Europe/Asia and in multiple nations worldwide via Voice of America Radio Norwegian radio channel P13
was Steven Van Zandt's Underground Garage show popular internationally?
In Spain it has beamed through Rock & Gol since 2007 and later on Rock FM Radio in Finland; Radio Helsinki started beaming Little Steven's Underground Garage in August 2008
what did Steven Van Zandt do as an enterpreneur?
In 2007, Steven Van Zandt launched the Rock and Roll Forever Foundation and its TeachRock project, which creates K-12 national curriculum.

Question: what were the radio channels?
Self-contained rewrite: what were the radio channels of Steven Van Zandt?