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The Boston Globe

Music

Multiple orchestras engineer ‘Gruppen’ in Worcester

WORCESTER — From three sides of Alden Memorial’s main hall, the brass mutter to each other; a few set anchor on longer notes, but the conversation disintegrates. Douglas Weeks resets the discourse, encourages the players to amplify their dynamics. The next time around, the muttering gives way to fluid waves; the three conductors lock together; brass chords begin to roll back and forth across the hall, keening and deep.

At Worcester Polytechnic Institute, Karlheinz Stockhausen’s “Gruppen” is coming together.

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