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% Tonus VIITonus VII
  2. 🔍 91% Tonus II*Tonus II*
  3. 🔍 90% Tonus II*Tonus II*
  4. 🔍 88% Tonus IIITonus III
  5. 🔍 85% Tonus CTonus C
  6. 🔍 84% Tonus IVTonus IV
  7. 🔍 84% Tonus VIIITonus VIII
  8. 🔍 80% Tonus ITonus I
  9. 🔍 77% Tonus DTonus D
  10. 🔍 72% Tonus IIV*VTonus IIV*V
  11. 🔍 69% Tonus ETonus E
  12. 🔍 65% Tonus VITonus VI
  13. 🔍 64% Tonus IV*Tonus IV*
  14. 🔍 62% Gloria PatriGloria Patri
  15. 🔍 61% Tonus PeregrinusTonus Peregrinus
  16. 🔍 56% Gloria PatriGloria Patri
  17. 🔍 50% Magnificat, 8G 8G* 8cMagnificat, 8G 8G* 8c
  18. 🔍 45% Versus litanici in cantu (Feria VI)Versus litanici in cantu (Feria VI)
  19. 🔍 45% Psalmus 24Psalmus 24
  20. 🔍 45% Toni Communes Ad Alleluia in Fine AntiphonarumToni Communes Ad Alleluia in Fine Antiphonarum
  21. 🔍 45% Versus litanici in cantu (Feria V / Sabbato sancto)Versus litanici in cantu (Feria V / Sabbato sancto)
  22. 🔍 44% Psalmus alleluiaticus E *Psalmus alleluiaticus E *
  23. 🔍 44% Psalmus 24Psalmus 24
  24. 🔍 43% Ecce lignum CrucisEcce lignum Crucis
  25. 🔍 43% Toni Communes Pneumata In Fine AntiphonarumToni Communes Pneumata In Fine Antiphonarum
  26. 🔍 43% Qui te exspectantQui te exspectant
  27. 🔍 43% Popule meusPopule meus
  28. 🔍 43% Tonus IITonus II
  29. 🔍 42% Pro orationibus - Tonus simplexPro orationibus - Tonus simplex
  30. 🔍 42% Pro orationibus - Tonus sollemnisPro orationibus - Tonus sollemnis
  31. 🔍 42% Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)
  32. 🔍 42% Ecce lignum CrucisEcce lignum Crucis
  33. 🔍 41% Ad te DomineAd te Domine
  34. 🔍 41% UniversiUniversi
  35. 🔍 41% Benignitatem fecit DominusBenignitatem fecit Dominus
  36. 🔍 40% Gloria PatriGloria Patri
  37. 🔍 39% Toni Communes Ad Alleluia In Fine ResponsoriumToni Communes Ad Alleluia In Fine Responsorium
  38. 🔍 38% Psalmus 84Psalmus 84
  39. 🔍 38% Gloria (Introits tone 1)Gloria (Introits tone 1)
  40. 🔍 38% AlleluiaAlleluia
  41. 🔍 37% Preces vespertinae (french)Preces vespertinae (french)
  42. 🔍 37% Preces vespertinae Initia (french)Preces vespertinae Initia (french)
  43. 🔍 36% Gloria (Introits tone 5)Gloria (Introits tone 5)
  44. 🔍 36% AlleluiaAlleluia
  45. 🔍 36% Hosanna in excelsisHosanna in excelsis
  46. 🔍 34% Christus vincitChristus vincit
  47. 🔍 34% Gloria (Introits tone 7)Gloria (Introits tone 7)
  48. 🔍 34% The Reproaches (10)The Reproaches (10)
  49. 🔍 33% Victimae paschali laudesVictimae paschali laudes
  50. 🔍 32% Magnificat - 4E (simple)Magnificat - 4E (simple)
  51. 🔍 31% Suscipe me DomineSuscipe me Domine
  52. 🔍 31% Psalmus responsorius E IPsalmus responsorius E I
  53. 🔍 30% Sancta MariaSancta Maria
  54. 🔍 30% Gloria (Introits tone 4)Gloria (Introits tone 4)
  55. 🔍 30% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  56. 🔍 29% Gloria (Introits tone 3)Gloria (Introits tone 3)
  57. 🔍 29% Benedictus Deus (Laudes Divinae)Benedictus Deus (Laudes Divinae)
  58. 🔍 28% Ecce lignum CrucisEcce lignum Crucis
  59. 🔍 28% Gloria (Introits tone 8)Gloria (Introits tone 8)
  60. 🔍 27% Vox claraVox clara
  61. 🔍 27% Por suasPor suas
  62. 🔍 27% Por suasPor suas
  63. 🔍 27% Por suasPor suas
  64. 🔍 27% Por suasPor suas
  65. 🔍 27% Por suasPor suas