By STEVE SMITH [New York Times, 31 October 2007]

New York performances by William Christie and his brilliant early-music ensemble, Les Arts Florissants, have long been dependable sources not only of historical elucidation but also of vibrant entertainment. Such was the case when the group presented “Il Sant’Alessio,” an opera by the 17th-century Roman composer Stefano Landi, at the Rose Theater of Lincoln Center on Monday night.