Par HANNICKEL MIKE. An energetic addition to your Christmas concert, the Holly Variations merges 'Deck the Hall with Boughs of Holly' (a duple-meter carol) with 'The Holly and the Ivy' (a triple-meter carol). This unlikely partnership sets the stage for some very interesting rhythmic effects as two strong and opposing meters struggle for dominance. As a striking opener or a 'contrast' piece, THE H…