Often sounding like multiple guitarists working at once, Selwyn Birchwood has been carving a nice name for himself on the blues circuit these past few years. With 2014’s Don’t Call No Ambulance, Birchwood shows off a flair for tight riffs and flashy lead work. He also reels in some great musicians to guest on a number of those tunes (dig the brass on the title track). “Walking in the Lion’s Den” slows things down a bit, with Birchwood’s smoky vocals curling around a late-night lounge bass line, and “Tell Me Why” opens up into a rock ‘n’ roll pastures and heavy-duty percussion. It’s clear that Birchwood has a knack for dynamics, and it’s a real treat to hear him combine that penchant with more traditional blues moves. Tonight's concert takes place at 7:30 at Music Box Supper Club.