Reviews of performances of Twyla Tharp's "Jump start," "Americans we" and "How near heaven," all for the American Ballet Theatre; Iréne Hultman's "Tango-babe," performed by the New York-Buenos Aires Connection in New York; Jimmy Gamonet de Los Heros' "D symphonies," performed by the Miami City Ballet at the Kennedy Center, Washington, D.C.; and Doug Elkins' "Narcoleptic lovers" at Dance Theater Workshop in New York.