http://www.nytimes.com/2015/01/02/arts/music/opera-classical-music-listings-for-jan-2-8.html 2015-01-02 00:08:35 Opera & Classical Music Listings for Jan. 2-8 A selected, critical guide to classical music performances in New York City. === Full reviews of recent classical performances: Opera ‘Aida’ ★ ‘Hansel and Gretel’ ★ ‘The Merry Widow’ ★ ‘La Traviata’ Classical Music Artek Holiday Concert ★ Bargemusic New York Philharmonic ★ ‘Saul’