Audio supplied by Sun Kim; original filenames and packaged MP3 filenames:

beethoven_fur_elise.mp3 <- beethoven_fur_elise.mp3
beethoven_moonlight_1.mp3 <- Moonlight_Sonata.ogg
mozart_turkish_march.mp3 <- Mozart-Marsz_turecki-(Romuald_Greiss).ogg
chopin_nocturne_op9_2.mp3 <- Chopin.Nocturne.Es-Dur.opus.9.2.ogg
bach_prelude_bwv846.mp3 <- Kevin_MacLeod_-_J_S_Bach_Prelude_in_C_-_BWV_846.ogg
vivaldi_spring_1.mp3 <- Vivaldi_-_Four_Seasons_1_Spring_mvt_1_Allegro_-_John_Harrison_violin.oga
vivaldi_summer_3.mp3 <- Vivaldi_-_Four_Seasons_2_Summer_mvt_3_Presto_-_John_Harrison_violin.oga
pachelbel_canon.mp3 <- Canon_and_Gigue_in_D.ogg
mozart_eine_kleine_1.mp3 <- Mozart_-_Eine_kleine_Nachtmusik_-_1._Allegro.ogg
tchaikovsky_swan_scene.mp3 <- Tchaikovsky_Swan_Lake_Op.20_No.10._Scène.ogg
bach_air.mp3 <- Air.ogg

Fur Elise MP3 preserved unchanged. Other recordings transcoded from supplied OGG/OGA to MP3 (128 kbps).
Original online source URLs and full license statements were not supplied with these files. This list records file provenance, not a license grant.


V5.6: 10 additional recordings
Changes for every new recording: supplied OGG/OGA transcoded to MP3 at 128 kbps, with embedded source metadata copied; no trimming. Each converted recording retains the listed original license (share-alike where applicable).

dvorak_new_world_2.mp3
Original: Antonin_Dvorak_-_symphony_no._9_in_e_minor_'from_the_new_world',_op._95_-_ii._largo.ogg
Source: https://commons.wikimedia.org/wiki/File:Antonin%20Dvorak%20-%20symphony%20no.%209%20in%20e%20minor%20%27from%20the%20new%20world%27%2C%20op.%2095%20-%20ii.%20largo.ogg
Credit: Antonín Dvořák; recording supplied by Musopen (performer not specified on source page)
License: Public-domain dedication by Musopen
License URL: https://creativecommons.org/publicdomain/mark/1.0/
Original metadata: {}

chopin_fantaisie_impromptu.mp3
Original: Chopin_Fantasie-Impromptu(Op.66).oga
Source: https://commons.wikimedia.org/wiki/File:Chopin%20Fantasie-Impromptu%28Op.66%29.oga
Credit: Frédéric Chopin; performed by Qoo
License: CC BY-SA 2.5
License URL: https://creativecommons.org/licenses/by-sa/2.5/
Original metadata: {}

debussy_clair_de_lune.mp3
Original: Clair_de_lune_(Claude_Debussy)_Suite_bergamasque.ogg
Source: https://commons.wikimedia.org/wiki/File:Clair%20de%20lune%20%28Claude%20Debussy%29%20Suite%20bergamasque.ogg
Credit: Claude Debussy; piano: Laurens Goedhart; OGG encoding: akaniji
License: CC BY 3.0
License URL: https://creativecommons.org/licenses/by/3.0/
Original metadata: {}

liszt_liebestraum_3.mp3
Original: Franz_Liszt_-_Liebestraum,_Ab_Major.ogg
Source: https://commons.wikimedia.org/wiki/File:Franz%20Liszt%20-%20Liebestraum%2C%20Ab%20Major.ogg
Credit: Franz Liszt; Al Goldstein collection / Pandora Music; attribution metadata retained below
License: CC BY-SA 2.0
License URL: https://creativecommons.org/licenses/by-sa/2.0/
Original metadata: {}

handel_hallelujah.mp3
Original: Handel_-_messiah_-_44_hallelujah.ogg
Source: https://commons.wikimedia.org/wiki/File:Handel%20-%20messiah%20-%2044%20hallelujah.ogg
Credit: George Frideric Handel; MIT Concert Choir; conductor William C. Cutter
License: CC BY-SA 2.0
License URL: https://creativecommons.org/licenses/by-sa/2.0/
Original metadata: {}

bizet_habanera.mp3
Original: Kevin_MacLeod_-_Georges_Bizet_Habanera.ogg
Source: https://commons.wikimedia.org/wiki/File:Kevin%20MacLeod%20-%20Georges%20Bizet%20Habanera.ogg
Credit: Georges Bizet; performance/production: Kevin MacLeod
License: CC BY 3.0
License URL: https://creativecommons.org/licenses/by/3.0/
Original metadata: {}

beethoven_symphony_5_1.mp3
Original: Ludwig_van_Beethoven_-_symphony_no._5_in_c_minor,_op._67_-_i._allegro_con_brio.ogg
Source: https://commons.wikimedia.org/wiki/File:Ludwig%20van%20Beethoven%20-%20symphony%20no.%205%20in%20c%20minor%2C%20op.%2067%20-%20i.%20allegro%20con%20brio.ogg
Credit: Ludwig van Beethoven; Skidmore College orchestra / Musopen
License: Public-domain dedication; credit retained
License URL: https://creativecommons.org/publicdomain/mark/1.0/
Original metadata: {}

mozart_figaro_overture.mp3
Original: Mozart,_The_Marriage_of_Figaro_(overture).ogg
Source: https://commons.wikimedia.org/wiki/File:Mozart%2C%20The%20Marriage%20of%20Figaro%20%28overture%29.ogg
Credit: Wolfgang Amadeus Mozart; Musopen Symphony / Musopen
License: CC0 1.0
License URL: https://creativecommons.org/publicdomain/zero/1.0/
Original metadata: {}

strauss_blue_danube.mp3
Original: Strauss,_An_der_schönen_blauen_Donau.ogg
Source: https://commons.wikimedia.org/wiki/File:Strauss%2C%20An%20der%20sch%C3%B6nen%20blauen%20Donau.ogg
Credit: Johann Strauss II; European Archive / Musopen
License: CC0 1.0
License URL: https://creativecommons.org/publicdomain/zero/1.0/
Original metadata: {}

mozart_symphony_40_1.mp3
Original: Wolfgang_Amadeus_Mozart_-_Symphony_40_g-moll_-_1._Molto_allegro.ogg
Source: https://commons.wikimedia.org/wiki/File:Wolfgang%20Amadeus%20Mozart%20-%20Symphony%2040%20g-moll%20-%201.%20Molto%20allegro.ogg
Credit: Wolfgang Amadeus Mozart; Fulda Symphonic Orchestra; conductor Simon Schindler
License: EFF Open Audio License v1
License URL: https://commons.wikimedia.org/wiki/Commons:EFF_Open_Audio_License
Original metadata: {}


V5.7: nine new recordings. OGG files converted to MP3 128 kbps; source metadata retained and no additional trimming. Flowers Waltz MP3 copied unchanged. Each recording retains its listed original license.

grieg_mountain_king.mp3
Original: Musopen_-_In_the_Hall_Of_The_Mountain_King.ogg
Source: https://commons.wikimedia.org/wiki/File:Musopen_-_In_the_Hall_Of_The_Mountain_King.ogg
Credit: Edvard Grieg; Czech National Symphony Orchestra / Musopen
License: Public-domain dedication by Musopen
License URL: https://creativecommons.org/publicdomain/mark/1.0/
Original metadata: {}

saint_saens_swan.mp3
Original: JOHN_MICHEL_CELLO-SAINT_SAENS_CARNIVAL_OF_ANIMALS_THE_SWAN.ogg
Source: https://commons.wikimedia.org/wiki/File:JOHN_MICHEL_CELLO-SAINT_SAENS_CARNIVAL_OF_ANIMALS_THE_SWAN.ogg
Credit: Camille Saint-Saëns; cello: John Michel
License: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0/
Original metadata: {}

grieg_morning.mp3
Original: Musopen_-_Morning.ogg
Source: https://commons.wikimedia.org/wiki/File:Musopen_-_Morning.ogg
Credit: Edvard Grieg; Czech National Symphony Orchestra / Musopen
License: Public-domain dedication by Musopen
License URL: https://creativecommons.org/publicdomain/mark/1.0/
Original metadata: {}

tchaikovsky_flowers_waltz.mp3
Original: P.I._Tchaikovsky's_Waltz_of_the_Flowers_Performed_by_The_U.S._Army_Band,_c._2019.mp3
Source: https://commons.wikimedia.org/wiki/File:P.I._Tchaikovsky%27s_Waltz_of_the_Flowers_Performed_by_The_U.S._Army_Band%2C_c._2019.mp3
Credit: Pyotr Ilyich Tchaikovsky; United States Army Band, December 2019
License: U.S. federal government work; public domain in USA
License URL: https://commons.wikimedia.org/wiki/Template:PD-USGov-Military-Army
Original metadata: {"encoder": "Lavf58.45.100"}

mendelssohn_wedding_march.mp3
Original: A_Midsummer_Night's_Dream_Op._61_Wedding_March_(Mendelssohn)_European_Archive.ogg
Source: https://commons.wikimedia.org/wiki/File:A_Midsummer_Night%27s_Dream_Op._61_Wedding_March_%28Mendelssohn%29_European_Archive.ogg
Credit: Felix Mendelssohn; European Archive / Musopen
License: CC0 1.0
License URL: https://creativecommons.org/publicdomain/zero/1.0/
Original metadata: {}

schubert_unfinished_1.mp3
Original: Schubert_Symphony_No._8_'Unfinished'_-_1-_Allegro_moderato_in_B_minor.ogg
Source: https://commons.wikimedia.org/wiki/File:Schubert_Symphony_No._8_%27Unfinished%27_-_1-_Allegro_moderato_in_B_minor.ogg
Credit: Franz Schubert; Fulda Symphonic Orchestra; embedded credits retained
License: EFF Open Audio License v1
License URL: https://commons.wikimedia.org/wiki/Commons:EFF_Open_Audio_License
Original metadata: {}

schubert_ave_maria.mp3
Original: Schubert's_Ave_Maria,_D.839_(accordion_orchestra)_-_Paul_De_Bra.ogg
Source: https://commons.wikimedia.org/wiki/File:Schubert%27s_Ave_Maria%2C_D.839_%28accordion_orchestra%29_-_Paul_De_Bra.ogg
Credit: Franz Schubert; arrangement and recording: Paul De Bra
License: CC BY 4.0
License URL: https://creativecommons.org/licenses/by/4.0/
Original metadata: {}

bach_toccata_intro.mp3
Original: BWV-565-intro.ogg
Source: https://commons.wikimedia.org/wiki/File:BWV-565-intro.ogg
Credit: Traditionally J.S. Bach; Cor anglais 16 at English Wikipedia; Flentrop organ, Oberlin Conservatory
License: CC BY-SA 3.0
License URL: https://creativecommons.org/licenses/by-sa/3.0/
Original metadata: {}

beethoven_ode_to_joy.mp3
Original: Ode_to_Joy.ogg
Source: https://commons.wikimedia.org/wiki/File:Ode_to_Joy.ogg
Credit: Ludwig van Beethoven; Mutopia MIDI rendered to OGG by Raul654
License: Public domain as marked on source page
License URL: https://creativecommons.org/publicdomain/mark/1.0/
Original metadata: {}