Mrs. Murphy’s Pub kicks off another busy week of live music with multi-instrumentalist Sammy Wetstein at the mic. Will he bring  his fiddle, mandolin, accordion, cello, or all of the above? The rest of this week’s schedule has Joe Sabourin at 5 p.m. on Tuesday, May 20; Frank Drake at 5 p.m. on Wednesday, May 21; Fiddle Pete at 8 p.m. on Friday, May 23; the Chris Hersch Old Time Duo at 8 p.m. on Saturday, May 24; and on Sunday, May 25, Ethan Robbins at noon and Fiddle Pete at 5 p.m.