When the band QWANQWA takes the stage of the BU Global Music Festival on Saturday, Sept. 17, it’ll be making its Boston debut — as are five of the other groups playing the free event. But if the ...

Looking back at the path that took her from Santa Cruz to Boston to Addis Ababa, the capital of Ethiopia, violinist Kaethe Hostetter sees opportunities seized and creative gambits that hit pay dirt.

At 17, California native Kaethe Hostetter moved east to begin her musical career. She went only as far as Boston, but that turned out to be just the first stop on her journey. Eventually, the ...