It’s easy to get excited about Pedro Martins, a young multi-instrumentalist and singer-songwriter from Brazil. On this edition of My Music on The Checkout, we’ll get to know Martins, who at 26 has toured with Kurt Rosenwinkel and released his own album on the guitarist’s Heartcore label. It was Rosenwinkel who gave Martins the confidence to step out as a vocalist — featuring him in that capacity on a song called “Kama.”