Swedish composer Fredrik Gran programs robotic arms to play bowed instruments like the cello and double bass. He also plays duets with the robots, blurring the lines between the musician and the music ...

Ishmael Ali wears many musical hats: composer, guitarist (in the bands Je’raf and Errata) and co-founder of a recording space in North Lawndale. But it’s his most recent instrument — cello — that has ...