DANCIN UNDERCOVERPersonnel: Robbin Crosby, Warren DeMartini (vocals, guitar); Juan Croucier (vocals, bass guitar); Stephen Pearcy (vocals); Bobby Blotzer (drums). Recording information: Village Recorders, Los Angeles, CA. With two back to back hit albums behind it (OUT OF THE CELLAR and INVASION OF YOUR PRIVACY), Ratt found itself near the top of the 1980s hard rock heap. With their party hearty lifestyle also serving as the subject matter for much of their music, the