Our votes on the 87th tier selected the following works...
To move up 2 to the 85th tier:
Scriabin: Preludes [1889-1914]
To move up 1 to the 86th tier:
Anonymous: Codex Las Huelgas [c. 1300]
Bartók: Out of Doors, Sz. 81 [1926]
Bartók: Pictures (2) for Orchestra, Sz. 46 [1910]
Brahms: Gesang der Parzen (Song of the Fates), op. 89 [1882]
Bridge: String Quartet #2 in G minor, H.115 [1915]
Byrd: The Great Service [before 1606]
Copland: Danzón Cubano [1942; orch. 1946]
Copland: El Salón México [1936]
Hindemith: Der Schwanendreher [1935]
Holst: Egdon Heath, op. 47 [1927]
Honegger: Symphony #2 in D [1941]
Kalinnikov: Symphony #2 in A [1897]
Langgaard: Symphony #4, BVN 124 "Løvfald (Fall of Leaves)" [1916; rev. 1920]
Lindberg: Clarinet Concerto [2002]
Lutosławski: Mi-parti [1976]
Messiaen: Livre d'Orgue [1952]
Mouton: Nesciens mater virgo virum [1555]
Palestrina: Missa Benedicta es [1560s]
Poulenc: Stabat Mater [1950]
Schütz: Geistliche Chormusik (Sacred Choral Music) [1648]
Shostakovich: String Quartet #11 in F minor, op. 122 [1966]
Shostakovich: Violin Concerto #2 in C-sharp minor, op. 129 [1967]
Striggio: Missa sopra Ecco sì beato giorno [c. 1566]
Tubin: Symphony #2 in B minor "Legendaarne (The Legendary)" [1938]
Tubin: Symphony #4 in A "Sinfonia Lirica" [1943; rev. 1978]
Zelenka: Missa Dei Patris, ZWV 19 [1740]
To remain on the 87th tier:
Addinsell: Warsaw Concerto [1941]
Balakirev: Tamara [1882]
Beethoven: Piano Sonata #22 in F, op. 54 [1804]
Boulez: Piano Sonata #2 [1948]
Brahms: Zigeunerlieder (Gypsy Songs), op. 103 and 112, including "Sehnsucht" and "Nächtens" [1888-91]
Bruch: Pieces (8) for Clarinet, Viola, and Piano, op. 83 [1910]
Bruckner: String Quintet in F [1879]
Copland: Quiet City [1939-41]
Crusell: Clarinet Concerto #2 in F minor, op. 5 [1818]
Debussy: La plus que lente, L. 121 [1910]
Debussy: Printemps, L. 61 [1887, 1912]
Dennehy: Grá agus Bás [2007]
Dohnányi: Variations on a Nursery Song, op. 25 [1914]
Gautier de Coincy: Miracles de Nostre Dame [c. 1200]
Gernsheim: Piano Quintet #1 in D minor, op. 35 [1877]
Godowsky: Java Suite [1925]
Grainger: Irish Tune from County Derry [1911]
Josquin: Missa La sol fa re mi [1502]
Kodály: Peacock Variations [1939]
Lassus: Missa Bell' Amfitrit' altera [1610]
Lehár: Die lustige Witwe (The Merry Widow) [1905]
Lutosławski: Les espaces du sommeil [1975]
MacDowell: Piano Concerto #2 in D minor, op. 23 [1889]
Machaut: Je vivroie liement [14th cent.]
Messiaen: Livre du Saint Sacrement [1985]
Morales: Missa pro defunctis [1544]
Mosolov: Iron Foundry, op. 19 [1927]
Myaskovsky: Symphony #24 in F minor, op. 63 [1943]
Nielsen: Symphony #2, op. 16 "The Four Temperaments" [1902]
Piston: Symphony #6 [1955]
Popov: Symphony #1, op. 7 [1930]
Prokofiev: Violin Sonata #2 in D, op. 94a [1943]
Rachmaninoff: The Rock, symphonic poem, op. 7 [1893]
Rangström: Symphony #3 in D-flat "Song under the Stars" [1929]
Rautavaara: Symphony #6 "Vincentiana" [1992]
Ravel: Poèmes (3) de Stéphane Mallarmé [1913]
Reich: Drumming [1971]
Respighi: Belkis, Queen of Sheba [1934]
Röntgen: Violin Concerto #1 in A minor [1902]
Saariaho: Nymphéa (Jardin secret III) [1987]
Schubert: Auf dem Wasser zu singen, D. 774 [1823]
Schuller: Studies (7) on Themes of Paul Klee [1959]
Sheppard: Media vita [early 16th cent.]
Strauss, J. II: Kaiser-Walzer, op. 437 [1889]
Strauss, R.: Songs (5), op. 41, including "Wiegenlied" [1899]
Stravinsky: Le Baiser de la Fée (The Fairy's Kiss) [1928; rev. 1950]
Suk: Fantasy for Violin and Orchestra in G minor, op. 24 [1903]
Willan: Introduction, Passacaglia, and Fugue [1916]
To move down 1 to the 88th tier:
Cavalli: La Calisto [1651]
Chopin: Berceuse in D-flat, op. 57 [1844]
Puccini: Manon Lescaut [1893]