IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-20. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the 🔍 to find similarities to the given chant.

  1. 🔍 100% O salutaris Hostia IIO salutaris Hostia II
  2. 🔍 77% O salutaris Hostia VO salutaris Hostia V
  3. 🔍 72% O salutaris Hostia IIIO salutaris Hostia III
  4. 🔍 66% O salutaris Hostia IVO salutaris Hostia IV
  5. 🔍 66% O salutaris Hostia VIO salutaris Hostia VI
  6. 🔍 64% O salutaris Hostia IO salutaris Hostia I
  7. 🔍 63% O salutaris Hostia VIIO salutaris Hostia VII
  8. 🔍 63% O salutaris Hostia IIO salutaris Hostia II
  9. 🔍 62% O Salutaris Hostia III (cantus ad processiones)O Salutaris Hostia III (cantus ad processiones)
  10. 🔍 61% O Salutaris Hostia (Creator Alme)O Salutaris Hostia (Creator Alme)
  11. 🔍 57% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  12. 🔍 56% O Salutaris Hostia VII (cantus ad processiones)O Salutaris Hostia VII (cantus ad processiones)
  13. 🔍 56% O salutaris Hostia IO salutaris Hostia I
  14. 🔍 50% O salutaris HostiaO salutaris Hostia
  15. 🔍 49% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  16. 🔍 48% O Salutaris Hostia II (cantus ad processiones)O Salutaris Hostia II (cantus ad processiones)
  17. 🔍 45% Martyr Dei (I)Martyr Dei (I)
  18. 🔍 45% Amor Jesu dulcissimeAmor Jesu dulcissime
  19. 🔍 44% O salutaris Hostia IIIO salutaris Hostia III
  20. 🔍 43% Deus tuorum militumDeus tuorum militum
  21. 🔍 42% Quicumque ChristumQuicumque Christum
  22. 🔍 42% O Salutaris Hostia (Vexilla Regis)O Salutaris Hostia (Vexilla Regis)
  23. 🔍 42% Novus athleta DominiNovus athleta Domini
  24. 🔍 41% Gaude Mater EcclesiaGaude Mater Ecclesia
  25. 🔍 41% Jam lucis orto sidere (Solemnitatibus)Jam lucis orto sidere (Solemnitatibus)
  26. 🔍 40% Aeterno RegiAeterno Regi
  27. 🔍 39% Hymnum novaeHymnum novae
  28. 🔍 39% Christo profusum sanguinemChristo profusum sanguinem
  29. 🔍 39% Rector potens (in Solemnitatibus)Rector potens (in Solemnitatibus)
  30. 🔍 38% Rector potens (soll.)Rector potens (soll.)
  31. 🔍 38% O Salutaris HostiaO Salutaris Hostia
  32. 🔍 37% Rerum Deus (in Solemnitatibus)Rerum Deus (in Solemnitatibus)
  33. 🔍 37% Rerum, Deus, tenaxRerum, Deus, tenax
  34. 🔍 37% O salutaris HostiaO salutaris Hostia
  35. 🔍 36% Rerum Deus (In Solemnitatibus)Rerum Deus (In Solemnitatibus)
  36. 🔍 35% Jam lucis orto sidere (In Major. Festis)Jam lucis orto sidere (In Major. Festis)
  37. 🔍 35% Nunc Sancte nobis (In Solemnitatibus)Nunc Sancte nobis (In Solemnitatibus)
  38. 🔍 35% Jam lucis orto sidere (Solemn feasts)Jam lucis orto sidere (Solemn feasts)
  39. 🔍 34% Jesu nostra redemptioJesu nostra redemptio
  40. 🔍 33% Summi Parentis FilioSummi Parentis Filio
  41. 🔍 32% O cor amoris victimaO cor amoris victima
  42. 🔍 32% Rector potens verax Deus (In Major. Festis)Rector potens verax Deus (In Major. Festis)
  43. 🔍 32% Rector potens (In Festis majoribus)Rector potens (In Festis majoribus)
  44. 🔍 32% Auctor beate saeculiAuctor beate saeculi
  45. 🔍 31% Rerum Deus (In Solemnitatibus)Rerum Deus (In Solemnitatibus)
  46. 🔍 30% Rerum Deus tenax vigor (In Major. Festis)Rerum Deus tenax vigor (In Major. Festis)
  47. 🔍 30% Nunc Sancte nobis Spiritus (In Major. Festis)Nunc Sancte nobis Spiritus (In Major. Festis)
  48. 🔍 29% Quicumque certumQuicumque certum
  49. 🔍 29% Hodiernae lux dieiHodiernae lux diei
  50. 🔍 27% Eva virumEva virum
  51. 🔍 27% Jesu dulcisJesu dulcis
  52. 🔍 27% Noe vero cumNoe vero cum
  53. 🔍 26% Te lucis ante terminumTe lucis ante terminum
  54. 🔍 26% Venite exsultemus IVVenite exsultemus IV
  55. 🔍 26% Verbum supernumVerbum supernum
  56. 🔍 25% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  57. 🔍 25% Rector potens(Solemnitatibus)Rector potens(Solemnitatibus)
  58. 🔍 25% Pacem tuamPacem tuam
  59. 🔍 25% O rex aeterne DomineO rex aeterne Domine
  60. 🔍 24% Te lucis ante terminumTe lucis ante terminum
  61. 🔍 24% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  62. 🔍 24% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  63. 🔍 24% Panis angelicus IIIPanis angelicus III
  64. 🔍 24% Tantum ergo XTantum ergo X
  65. 🔍 24% Francisce, Christi signiferFrancisce, Christi signifer