“The Sensational ’60s — Omar Ricardo Show” will bring cabaret-style music and comedy to Johnson Hall in Gardiner on Saturday, April 7. The annual fundraiser will also include a costume contest, with a lava lamp as first prize. Host Frank Omar, above, gestures toward singers Teresa Curley Beaudoin, left, Lynette Miller and Sally Walker. Also performing will be Dennis Price, Kiki LaFlamme (Karen LaPlante), Jane Burke, Stephanie Irwin and Brittany Olivia Yorks. Dominic Garvey will provide piano accompaniment. Cash bar opens at 7 p.m., with the show starting at 8 o’clock. For tickets, $28, call 582-7144.