This week piano man David Crohan will perform two concerts. On Monday, July 11, he plays the Tabernacle in Oak Bluffs. The show begins at 7:30 p.m. and there will be a free will offering.

Then on Tuesday, July 12, Mr. Crohan celebrates his birthday at the Portuguese-American Club in Oak Bluffs by joining up with the band Serendipity. That show also starts at 7:30 p.m., with a $5 cover charge.