A beer hall that usually hosts polka bands may get fined after a raunchy performance by 2 Live Crew.

The Nov. 18 concert, which featured explicit lyrics, partially nude lap dancing and simulated sex acts, was attended by undercover agents from the California Department of Alcohol and Beverage Control, The Sonoma Valley Sun reported.

The agency may fine the owners of Little Switzerland, which advertises itself as a 1920s style European beer hall, or suspend its alcohol license, according to investigator Scott Warnock.

The 2 Live Crew was not specifically targeted, Warnock said.

A 2 Live Crew show scheduled in nearby Guerneville for Nov. 20 was canceled after the Little Switzerland incident.

Venue owners, Antonio and Alina Garcia, were unavailable for comment.

In 1986, 2 Live Crew released its first album and a Florida record store owner was charged with obscenity for selling it to a 14-year-old girl. He was later acquitted.

The band's legal troubles escalated and 2 Live Crew grew notorious for its sexually explicit lyrics and live performances.

In 1990, a Florida state court declared its third and most successful album, "As Nasty As They Wanna Be," legally obscene. That ruling was later overturned by the U.S. Supreme Court. (AP)