Promoters of new American music have long decried the reluctance of stateside ensembles to put their homegrown talent front and center, ahead of overplayed European masterworks. But in Detroit, this is looking like a distinctly American season. “It’s not clear why American music is suddenly taking center stage, though there is some evidence that local classical music leaders are beginning to connect the dots between contemporary music, revitalizing the largely staid repertoire and appealing to a wider audience.”