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% Deus in adjutoriumDeus in adjutorium
  2. 🔍 91% Deus in adjutorium (Tonus ferialis)Deus in adjutorium (Tonus ferialis)
  3. 🔍 75% Deus in adjutorium (Tonus festivus)Deus in adjutorium (Tonus festivus)
  4. 🔍 69% Deus in adjutoriumDeus in adjutorium
  5. 🔍 63% Deus in adjutorium (tonus solemnis)Deus in adjutorium (tonus solemnis)
  6. 🔍 57% Deus in adiutorium (in Dom. et festis)Deus in adiutorium (in Dom. et festis)
  7. 🔍 57% Gloria Patri VGloria Patri V
  8. 🔍 55% Domine labia meaDomine labia mea
  9. 🔍 53% Gloria Patri - VGloria Patri - V
  10. 🔍 53% Gloria Patri VIGloria Patri VI
  11. 🔍 52% Gloria Patri IVGloria Patri IV
  12. 🔍 52% Gloria Patri VGloria Patri V
  13. 🔍 51% Deus in adiutorium (tonus ferialis)Deus in adiutorium (tonus ferialis)
  14. 🔍 51% Gloria Patri II (C3)Gloria Patri II (C3)
  15. 🔍 48% Gloria Patri VIGloria Patri VI
  16. 🔍 48% Gloria Patri VIIGloria Patri VII
  17. 🔍 48% Gloria Patri IVGloria Patri IV
  18. 🔍 48% Gloria Patri - VIIGloria Patri - VII
  19. 🔍 48% Gloria Patri IIIGloria Patri III
  20. 🔍 47% Gloria Patri IIIGloria Patri III
  21. 🔍 47% Gloria Patri - IVGloria Patri - IV
  22. 🔍 47% Gloria Patri - IIGloria Patri - II
  23. 🔍 46% Gloria Patri IIGloria Patri II
  24. 🔍 45% Gloria Patri - IGloria Patri - I
  25. 🔍 45% Gloria Patri - VIGloria Patri - VI
  26. 🔍 43% Gloria Patri VIIGloria Patri VII
  27. 🔍 43% Gloria Patri VIIIGloria Patri VIII
  28. 🔍 42% Domine labia mea (in festis)Domine labia mea (in festis)
  29. 🔍 41% Adoremus Ps. Laudate Dominum. IIIAdoremus Ps. Laudate Dominum. III
  30. 🔍 41% Gloria Patri IGloria Patri I
  31. 🔍 41% Deus in adiutorium (ad LM et Vesp. in sollemnitatibus)Deus in adiutorium (ad LM et Vesp. in sollemnitatibus)
  32. 🔍 41% Adjutorium nostrumAdjutorium nostrum
  33. 🔍 40% Adoremus in aeternumAdoremus in aeternum
  34. 🔍 40% Adoremus in aeternum IAdoremus in aeternum I
  35. 🔍 39% Asperges me (ad lib.) IIAsperges me (ad lib.) II
  36. 🔍 39% Gloria Patri VIIIGloria Patri VIII
  37. 🔍 39% Vidi aquamVidi aquam
  38. 🔍 38% Confirma hoc DeusConfirma hoc Deus
  39. 🔍 38% Gloria Patri - VIIIGloria Patri - VIII
  40. 🔍 38% Psalmus 23 1-2 e 7-10Psalmus 23 1-2 e 7-10
  41. 🔍 38% Deus Deus meus (62)Deus Deus meus (62)
  42. 🔍 37% Deus in adjutorium (Ps.69 - Textus antiquus)Deus in adjutorium (Ps.69 - Textus antiquus)
  43. 🔍 37% Gloria Patri - IIIGloria Patri - III
  44. 🔍 37% Gloria Patri IGloria Patri I
  45. 🔍 37% Asperges me (ad lib) II.Asperges me (ad lib) II.
  46. 🔍 37% Misericordias DominiMisericordias Domini
  47. 🔍 37% Lumen ad revelationemLumen ad revelationem
  48. 🔍 37% Gloria PatriGloria Patri
  49. 🔍 37% Paradisi portaeParadisi portae
  50. 🔍 36% Ascendit DeusAscendit Deus
  51. 🔍 35% Ascendit DeusAscendit Deus
  52. 🔍 35% Sit nomen (Ad Benedictionem pontificalem)Sit nomen (Ad Benedictionem pontificalem)
  53. 🔍 35% Te Deum (Simple tone)Te Deum (Simple tone)
  54. 🔍 35% Creator alme siderumCreator alme siderum
  55. 🔍 35% Pontifical BlessingPontifical Blessing
  56. 🔍 34% Sit nomenSit nomen
  57. 🔍 34% Adoremus Ps. Laudate Dominum. IIAdoremus Ps. Laudate Dominum. II
  58. 🔍 34% Lumen ad revelationemLumen ad revelationem
  59. 🔍 34% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  60. 🔍 34% Creator alme siderumCreator alme siderum
  61. 🔍 33% Nunc scio vereNunc scio vere
  62. 🔍 33% Laus et perennis gloriaLaus et perennis gloria
  63. 🔍 33% Me exspectaveruntMe exspectaverunt
  64. 🔍 33% Laus et perennis gloriaLaus et perennis gloria
  65. 🔍 33% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini