Baroque flute music; 58th St. Library, 127 E. 58th St. (betw. Park & Lexington Aves.), 759-7358; 6, free.
COMPOSERS CHAMBER THEATER
Concert of chamber music & American vocal at Greenwich House Music School, 46 Barrow St. (7th Ave.), 691-6105; 8, $15, $12 st./s.c.
Joel Cohen directs night of Shaker music with Maine's Shakers of Sabbathday Lake at Avery Fisher Hall, 10 Lincoln Center Plaza, B'way (64th St.), 721-6500; 8, $38.
Randall Behr conducts Christopher Williabald Gluck's "Armide;" Juilliard Theater at the Juilliard School, 65th St. (B'way), 769-7406; 8, $20 [repeats Fri. at 8 & Sun. at 2].
LYRIC CHAMBER MUSIC SOCIETY
"A Romantic Evening" feat. cellist Ragael Figueroa & pianist Richard Bishop performing works by Beethoven, Cassado & Brahms; Kosciuszko Foundation, 15 E. 65th St. (5th Ave.), 279-4200; 8, $30 & $50, $25 & $45 adv., $15 st.
ORGAN PLUS SERIES
First concert in the series incl. works by Guillou & Handel; St. Bartholomew's Church, 109 E. 50th St. (Park Ave.), 378-0248; 7:30, $15-$25, $10 st.
Composer joins pianist Christopher Taylor, cellist Fred Sherry & others for a concert of chamber music & vocal work; Renee Weiler Concert Hall at Greenwich House Music School, 46 Barrow St. (7th Ave.), 242-4770; 8, $12, $8 st./s.c.
JAZZ AT LINCOLN CENTER
The Ellington Centennial feat. Gene Harris in "Jazz at the Penthouse;" Stanley Kaplan Penthouse, 165 W. 65th St., 10th Fl. (B'way), 721-6500; 8, $40 [repeats Fri. & Sat. at 8].
MUSIC FOR THE SPIRIT
St. Francis of Assisi Church hosts free weekly midday concerts. Midtown Concerts consist of both secular & sacred music. Today, the St. Francis Singers perform "Music of Praise for Thanksgiving;" 135 W. 31st St. (betw. 6th & 7th Aves.), 967-9157; 1:15, free.
NORTH RIVER MUSIC
Derek Bermel performs chamber & vocal work at Concert Hall at Greenwich House Music School, 46 Barrow St. (7th Ave.), 242-4770; 8, $12, $8 st./s.c.
Elebash Composers Centennial Series in "Just a Sweet Old Song" at Trinity Church, B'way (Wall St.), 602-0747; 1, $2.
Kurt Masur conducts orchestra at Avery Fisher Hall, 10 Lincoln Center Plaza, B'way (64th St.), 721-6500; 8, $18-$77 [repeats Fri. & Sat. at 8].
MANHATTAN CHAMBER ORCHESTRA
Debut season with the Choir of Sacred Music. Works, incl. Leszt, Bach, Handal & Monteverdi; Church of the Holy Innocents, 128 W. 37th St. (B'way), 224-5721; 7:30, free.
MEET THE VIRTUOSO
Series of hour-long concerts. Today, soprano Gail Hadani & pianist Noa Ain perform excerpts from Ain's Chanson de Bilitis; 92nd St. Y, 1395 Lexington Ave. (92nd St.), 996-1100; 2, free.
SACRED MUSIC IN A SACRED PLACE
"PoulencPlus!" celebrates 100th anniversary of Poulenc's birth; Church of St. Ignatius Loyola, 980 Park Ave. (84th St.), 288-2520; 8.
THREE CENTURIES OF CLASSICS
Program by Manhattan Orchestra & Choir of Sacred Music; Church of the Holy Innocents, 128 W. 37th St. (B'way), 279-5861; 7:30, free.
PAMELA & CLAUDE FRANK
Father & daughter play works by Beethoven on violin & piano; 92nd St. Y, 1395 Lexington Ave. (92nd St.), 996-1100; 8:30, $30.
Bard Festival concludes with Leon Botstein interpreting Arnold Schoenberg's 1913 piece, Skandalkonzert during "Schoenberg in America" program at Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 2:30, $15.
CHAMBER MUSIC FOR A SUNDAY AFTERNOON
Members of the NY Philharmonic & pianist Judith Alstadter perform works by Mozart, Fauré & Schumann; Pace Downtown Theater, 3 Spruce St. (betw. Park Row & Gold St.), 346-1715; 3, $10, $6 st./s.c.
"Art of the Song" series feat. soprano Christine Schafer singing works by Hugo Wolf & Messaien; Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 2, $25.
MUSIC IN CHELSEA
Pianist Scott Dunn performs works at St. Peter's Church, 346 W. 20th St. (betw. 8th & 9th Aves.), 691-6263; 4, $10, $5 st./s.c.
NY PIANO QUARTET
Pianist Harriet Wingreen & members from the NY Philharmonic perform works by Mozart at Wave Hill; 675 W. 252nd St. (Indep. Ave.), Bronx, 718-549-3200 ext.229; 2, $15, $12 s.c., $10 st.
ORPHEUS CHAMBER ORCHESTRA
Chamber orchestra performs works by Mozart at Riverside Church, 490 Riverside Dr. (betw. 120th & 121st Sts.), 896-1704; 3, $20, $10 st./s.c., $5 child.
TIMELESS TALES & MUSIC OF OUR TIME
Edward Aaron & Colin Jacobsen perform works by Shubert, Mozart & Beethoven?honoring the memory of Judith Arron; Merkin Concert Hall, 129 W. 67th St. (betw. B'way & Amsterdam Ave.), 501-3330; 4, $9.
Weekly chamber music, opera & choral programs. Today, Pastiche perform Eugene Bozza's Suite breve en brio, Op. 67; Trinity Church, 74 Trinity Pl., Wall St. (B'way), 602-0873; 12, $2 contrib.
Pianist's recital debut consists of works by Brahms & Bach; Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 8, $10, $5 st./s.c.
THIRD STREET MUSIC SCHOOL SETTLEMENT ARTIST'S SERIES
Richard Stout conducts orchestra in works by Corelli, Grieg & Janacek; Third St. Music School Settlement, 235 E. 11th St. (betw. 2nd & 3rd Aves.), 777-3240; 7:30, free.