The Hammars, Karin and Mimmi Pettersson, are trombonists from Sweden. I don't know where, when or how they learned to play as well as they do, and don't especially care. What matters is that they seem ...
The Hammars, Karin and Mimmi Pettersson, are trombonists from Sweden. I don't know where, when or how they learned to play as well as they do, and don't especially care. What matters is that they seem ...