Avalon String Quartet
Ensemble performs works by Wolf, Brahms & Berg with pianist Gilbert Kalish & soprano Lucy Shelton; Merkin Concert Hall, 129 W. 67th St. (betw. B'way & Amsterdam Ave.), 501-3330; 7:30, $20.
Pisemble performFlamenco duo performs with dancer Nadia Marquez; Symphony Space, 2537 B'way (95th St.), 864-5400; 8, $20.
Ned Rorem/Contemporary American Songwriters
Greatest living American classical composer hosts world premiere of song cycles by Ricky Ian Gordon, Daron Hagen & John Musto; 92nd St. Y, 1395 Lexington Ave. (92nd St.), 996-1100; 8, $25.
Clarion music Society
Ensemble performs works by Telemann; Church of St. Luke in the Fields, 487 Hudson St. (Grove St.), 774-4105; 8, $24, $10 st.
Tom Hamilton & Rich O'Donnell lead experimental works feat. electronics, synthesizer & "silent keyboard"; Merkin Concert Hall, 129 W. 67th St. (betw. B'way & Amsterdam Ave.), 501-3330; 8, $10.
Ensembles perform short works from classical & band repertoires; Symphony Space, 2537 B'way (95th St.), 864-5400; 7, free.
Manhattan School of Music Opera Studio
Ensemble performs Domenico Cimarosa's Il Matrimonio Segreto; Trinity Church, 74 Trinity Pl. (Wall St. & B'way), 602-0747; 1, $2 contrib.
MUSIC FOR THE SPIRIT
St. Francis of Assisi Church hosts free weekly midday concerts. Midtown Concerts consist of both secular & sacred music. Today, ARTEK performs Italian Baroque music; St. Francis of Assisi Church, 135 W. 31st St. (betw. 6th & 7th Aves.), 967-9157; 1:15, free.
CITY HARVEST BENEFIT
Krishna Das, Via Jo & Walela (incl. Rita Coolidge) perform indigenous music w/Western sensibilities for New York's hungry; Symphony Space, 2537 B'way (95th St.), 864-5400; 7:30, $18.
Susan Glass conducts chorus in works by Brahms & musical theatre composers; St. Peter's Church, 619 Lexington Ave. (54th St.), 935-2200; 7:30, $10 contrib.
Manhattan School of Music Symphony
Zdenek Macal conducts works by Smetana, Suk & Dvorak; John C. Borden Auditorium, Manhattan School of Music, B'way (122 St.), 749-2802, ext.428; 8, free.
new Music For String Quartet & Voice
Ensemble performs works by Sasha Bogdanowitsch & Darryl Gregory; St. Peter's Church, 346 W. 20th St. (betw. 8th & 9th Aves.), 316-2126; 8, $10, $5 st./s.c.
New York City Opera Orchestra & Singers
Ensemble performs excerpts from Matthew Harris' new opera, Tess; Great Hall at Cooper Union, 7 E. 7th St. (3rd Ave.), 353-4120; 12:15, free.
New York Treble Singers
Virginia Davidson conducts women's chorus in works by Schubert, Bach, Dowdell, G. Smith, Mendelssohn, Gershwin & Berlin; 5th Ave. Presbyterian Sanctuary, 7 W. 55th St. (5th Ave.), 496-0094; 7:30, $15, $10 st./s.c.
Orion String Quartet
Ensemble performs works by Beethoven at Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 8, free.
Sheila Schonbrun conducts a cappella choral works by Josquin, Dunstable, Victoria, Billings & Pinkham; St. John's Church in the Village, 224 Waverly Pl. (betw. 6th Ave. & Christopher St.), 490-6274; 8, $12, $10 st./s.c.
Tribute to composer Tom Johnson's 60th birthday feat. American premiere of Bonhoeffer Oratorium; Madison Ave. Presbyterian Church, 921 Madison Ave. (73rd St.), 403-2253; 5, $20 contrib.
Kent Tritle conducts works by Menotti & Coid; Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 8, $20-$25.
Riverside Choral Society
Patrick Gardner conducts works by Honegger & Weill; Church of the Holy Trinity, 213 W. 82nd St. (betw. B'way & Amsterdam), 780-2181; 8, $20.
Dawn Upshaw/Kronos Quartet
Soprano performs works by Gabriela Ortiz & Osvaldo Golijov with world-reknowned experimental string ensemble; Church of St. Ignatius Loyola, 980 Park Ave. (84th St.); 8, $38.
Cellist performs works by Bach Herra, Brahms & "audience choice" (list of 24 short works) w/pianist Gerald Robbins; Sts. Kiril & Metodi Cathedral, 552 W. 50th St. (betw 10th & 11th Aves.), 586-7636; 4, $5 contrib.
Baritone performs works by Schubert & Eisler w/pianist Eric Schneider; Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 2, $38.
Millennium Chamber symphony
Robert Long conducts works by Mozart, Handel & Shore; St. Patrick's Cathedral; 460 Madison Ave. (betw. 50th & 51st Sts.), 753-2261; 2:30, free.
New England Symphonic Ensemble
Jonathan Griffith conducts works by Copland & Bruckner at Carnegie Hall, 881 7th Ave. (57th St.), 247-7800; 2, $16-$68.
Orion String Quartet
Ensemble performs works by Beethoven at Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 5, free.
Pianist performs works by Bach, Beethoven, Chopin, Liszt & Debussy; Merkin Concert Hall, 129 W. 67th St. (betw. B'way & Amsterdam Ave.), 501-3330; 8, $17.
New Amsterdam Singers
Clara Longstreth conducts works by 20th-century American composers; St. Peter's Church, 619 Lexington Ave. (54th St.), 935-2200; 8, $15, $10 st./s.c.
Ensemble performs works by Beethoven at Alice Tully Hall, 1941 B'way (65th St.), 721-6500; 7:30, free.
Harpsichordist Bradley Brookshire conducts works by A. Scarlatti & Handel; Merkin Concert Hall, 129 W. 67th St. (betw. B'way & Amsterdam Ave.), 501-3330; 7:30, $22.