Don your green hats and tights; it’s St. Patrick’s Day! Polyester Robot, the automatic plastic party band, brings programmed jams to the Cathouse on Thursday. Friday, Eureka Springs into Music with Eroica Trio, a female classical music ensemble that displays lovely interplay, catch them at the Aud at 7. Sunday, former Eurekan Stevie Tombstone brings breezy desert guitar songs to Caribé for a special one-night occasion.