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Foster has sometimes been compared to Mary Tyler Moore for her pixieish charm and dancerly elegance.

From there, variations surface with nods to Classical and Baroque forms: a dancerly minuet or rondo, a concerto grosso of angular strings, a wandering ricercare.

His body moves with dancerly charisma as his baton conjures extremities of orchestral sound; the music feels alive, and so do you.

In “Emanon — in Two Movements,” set to Shorter’s “Pegasus” and “Prometheus Unbound,” Roberts doesn’t exactly interfere with the music, though he doesn’t really reveal a different, dancerly side of it, either.

Why shouldn’t the men be more dancerly in their presentations?