Vitello Tonnato & the Roaring Zucchinis is a young Bavarian rock group specializing in music of the forties through sixties of Ray Charles and Louis Jordan, and especially in the repertoire of Louis Prima, the king of Las Vegas night clubs of the sixties. It is unclear from their publicity whether they actually cook or consume the cold roast veal smeared with tuna mayonnaise known to gastronomes as vitello tonnato. But the group’