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% Gloria VGloria V
  2. 🔍 51% Gloria XGloria X
  3. 🔍 48% Gloria XIIGloria XII
  4. 🔍 47% Gloria XIGloria XI
  5. 🔍 45% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  6. 🔍 45% Gloria VGloria V
  7. 🔍 44% Gloria XVGloria XV
  8. 🔍 44% Gloria VGloria V
  9. 🔍 44% Gloria IIIGloria III
  10. 🔍 44% Gloria VGloria V
  11. 🔍 43% Gloria IIIGloria III
  12. 🔍 42% Gloria VIGloria VI
  13. 🔍 42% Gloria IGloria I
  14. 🔍 41% Gloria (Missa Votiva BMV)Gloria (Missa Votiva BMV)
  15. 🔍 41% Gloria VIIGloria VII
  16. 🔍 41% Gloria (Missa secundi Toni)Gloria (Missa secundi Toni)
  17. 🔍 40% Gloria IVGloria IV
  18. 🔍 40% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  19. 🔍 40% Gloria IXGloria IX
  20. 🔍 40% Gloria IIGloria II
  21. 🔍 39% Gloria VIGloria VI
  22. 🔍 39% Gloria XIVGloria XIV
  23. 🔍 39% Gloria VIIIGloria VIII
  24. 🔍 39% Gloria XIIIGloria XIII
  25. 🔍 39% Gloria XIIIGloria XIII
  26. 🔍 38% Gloria XV (forma ordinaria)Gloria XV (forma ordinaria)
  27. 🔍 38% Gloria Missa RegiaGloria Missa Regia
  28. 🔍 37% Gloria Missa RegiaGloria Missa Regia
  29. 🔍 37% Gloria (Ambrosian)Gloria (Ambrosian)
  30. 🔍 37% Gloria IIGloria II
  31. 🔍 37% Gloria (Missa Regia I)Gloria (Missa Regia I)
  32. 🔍 36% Gloria IGloria I
  33. 🔍 36% Jesus refulsit omniumJesus refulsit omnium
  34. 🔍 36% Sanctus VSanctus V
  35. 🔍 35% Gloria (ad lib.) I.Gloria (ad lib.) I.
  36. 🔍 35% A Patre UnigeniteA Patre Unigenite
  37. 🔍 35% Quicumque ChristumQuicumque Christum
  38. 🔍 33% Amor Jesu dulcissimeAmor Jesu dulcissime
  39. 🔍 33% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  40. 🔍 33% Quicumque ChristumQuicumque Christum
  41. 🔍 33% Salvete, Christi vulneraSalvete, Christi vulnera
  42. 🔍 33% Lux alma JesuLux alma Jesu
  43. 🔍 33% Cor arca legem continensCor arca legem continens
  44. 🔍 32% En ut superbaEn ut superba
  45. 🔍 32% Quicumque Christum quaeritisQuicumque Christum quaeritis
  46. 🔍 32% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  47. 🔍 32% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  48. 🔍 32% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  49. 🔍 32% Gloria IGloria I
  50. 🔍 32% Te lucis ante terminum (Sacred Heart)Te lucis ante terminum (Sacred Heart)
  51. 🔍 32% Agnus Dei VAgnus Dei V
  52. 🔍 31% Nunc Sancte nobis (In Festo S. Cordis Jesu)Nunc Sancte nobis (In Festo S. Cordis Jesu)
  53. 🔍 31% Salutis humanae SatorSalutis humanae Sator
  54. 🔍 31% Aeterne Rex altissimeAeterne Rex altissime
  55. 🔍 31% Jesu nostra redemptioJesu nostra redemptio
  56. 🔍 31% Gloria XIGloria XI
  57. 🔍 31% Gloria (ad lib.) II.Gloria (ad lib.) II.
  58. 🔍 30% Rerum Deus tenax vigor (In Ascensione)Rerum Deus tenax vigor (In Ascensione)
  59. 🔍 30% Rerum Deus tenax vigor (In Transfiguratione)Rerum Deus tenax vigor (In Transfiguratione)
  60. 🔍 30% Gloria IVGloria IV
  61. 🔍 30% Gloria IIGloria II
  62. 🔍 30% Rerum deus tenax vigor (In Festo S. Cordis Jesu)Rerum deus tenax vigor (In Festo S. Cordis Jesu)
  63. 🔍 30% Nunc sancte nobis Spiritus (In Transfiguratione)Nunc sancte nobis Spiritus (In Transfiguratione)
  64. 🔍 30% Nunc sancte nobis Spiritus (In Ascensione)Nunc sancte nobis Spiritus (In Ascensione)
  65. 🔍 30% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)