Mark Morris lives and dies by his scores. If you don’t like the music, you won’t like the dance–that’s how closely the two are tied. Appearing here for the first time since 2000, Morris’s company performs his 2001 V, set to Schumann’s Piano Quintet in E-flat. The music may be almost too familiar, but it provides a wide range of dynamics, from slow and dreamy to nearly violent, from methodical plodding to popping excitability. Morris’s choreography follows the score, not necessarily note for note–his dancers pick up and drop instrumental lines as fluidly as swallows darting–but in its structure and moods. The cast is huge: two sets of seven dancers, one group in billowing blue blouses and the other in flowing white pants, a color scheme that made me think of clear skies and swimming. The source of the title is immediately apparent: seven figures stand silhouetted in a V. But the rest of the piece is up for grabs, as triangles, squares, and V formations coalesce and dissolve unpredictably but in perfect accord with the music, whether the dancing looks like floating clouds or hand-to-hand combat. Some people may not like that close correspondence, and some people may not like the music for Going Away Party: eight songs by Bob Wills & His Texas Playboys. I have to admit that when I watched the piece on tape recently I found Wills’s country-western tunes annoyingly monotonous, all jaunty songs of sorrow too one-dimensional rhythmically for a lengthy suite. But in 1990, when I reviewed the work’s premiere by the White Oak Dance Project, I called it rude, radical, and raunchy–all good words in my book. Since video can be so diminishing, I’d give this piece the benefit of the doubt. Also on the program is Serenade (2003), a solo Morris performs to music by late composer Lou Harrison, and A Spell (1993), set to music by John Wilson. Museum of Contemporary Art, theater, 220 E. Chicago, 312-297-4010. Opens Thursday, April 1, 6 PM, with a benefit performance that includes a buffet dinner. $100. Through April 4: Friday-Saturday, 7:30 PM; Sunday, 3 PM. $40.