When Wenner started Rolling Stone, he says, other publications weren't taking rock and roll seriously. Since then, the magazine has documented five decades of music, politics and culture.
The group is celebrating its 25th anniversary by commissioning new pieces of contemporary classical music — and pushing the composers who write for the ensemble to broaden their own points of view.
Giddens' Freedom Highway is an exploration of African-American experiences accompanied by the banjo, with "a sound, that deepness, that quality is what people associated with American music."