march 1: Grammy-winner Band of Horses tones down the guitars for this special “unplugged” performance at the Merriam Theater. Barely off the road after a lengthy tour in support of 2012’s critically acclaimed Mirage Rock, the band is back to promote Acoustic at the Ryman, culled from a pair of potent shows at the legendary Nashville venue. 8 p.m. $35. 250 S. Broad St., Philadelphia. Call (215) 893-1999 or visit kimmelcenter.org.