- 13 Harmonies: No. Old North - From "Apartment House 1776", No. 18, Arr. for Guitar - song and lyrics by John Cage Spotify
- John Cage Works
- John Cage: Thirteen I. Harmony 18 (Old North – William Billings)_'서경수의 열린 음악실' - YouTube
- John Cage: 6 Melodies Harmonies (CD) – jpc
- John Cage - Annelie Gahl, Klaus Lang & Harmonies (2010, CD) - Discogs
- Thirteen Harmonies 42) by John performed by Axelsson & Nilsson Duo and Möhle - YouTube
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- Thirteen Harmonies (Cage, 1986) Recital
- Harmonies (Harmony 18) John Cage, Performed by Axelsson & Nilsson duo Roland Möhle - YouTube
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- John Cage Compositions AllMusic
- 限定版 Cage John ジョンケージ Melodies Harmonies & クラシック -
- Cage – 13 Harmonies Noël : No. 14 - Brunswick (James Lyon) - YouTube
- John Cage: Number Pieces review revelatory take on harmony' | Cage | The Guardian
- Thirteen Harmonies | Cop Tears Reading Group
- Zahab, John Cage - 13 Harmonies - Amazon.com Music
- Thirteen Harmonies: VI. 5 - YouTube
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- John Cage Thirteen Harmonies / 1985 - YouTube
- Boreales / Harmonies / 10'40.3" - John
- John – Quatuor Bozzini
- Cop Tears – Thirteen Selections From John 'Apartment House (2018, CD) - Discogs
- Thirteen Harmonies from John Cage buy in the sheet music shop
- Thirteen Harmonies (from Apartment Violin and Piano Book: John Alfred Music