Mrs. Murphy’s Pub in Medford Square kicks off another full week of live music by welcoming Aiden Schnell, a multi-instrumentalist (guitar, banjo, mandolin) in the bluegrass and progressive acoustic music genres. The Berklee College of Music graduate also instructs at Winchester Community Music School. The rest of this week’s schedule: Joe Sabourin at 5 p.m. on Tuesday, March 25; the Black Velvet Duo at 5 p.m. on Wednesday, March 26; Annie McDougall at 8 p.m. on Thursday, March 27; Sláinte at 8 p.m. on Friday, March 28; and on Sunday, March 30, the Elias Cardoso Duo at noon and Fiddle Pete at 5 p.m.