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% Pro orationibus - Tonus sollemnisPro orationibus - Tonus sollemnis
  2. 🔍 99% Pro orationibus - Tonus simplexPro orationibus - Tonus simplex
  3. 🔍 64% Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)
  4. 🔍 64% Oratio super oblataOratio super oblata
  5. 🔍 57% Magnificat, 8G 8G* 8cMagnificat, 8G 8G* 8c
  6. 🔍 56% Gloria PatriGloria Patri
  7. 🔍 52% Psalmus alleluiaticus E *Psalmus alleluiaticus E *
  8. 🔍 51% Popule meusPopule meus
  9. 🔍 51% Versus litanici in cantu (Feria VI)Versus litanici in cantu (Feria VI)
  10. 🔍 51% Versus litanici in cantu (Feria V / Sabbato sancto)Versus litanici in cantu (Feria V / Sabbato sancto)
  11. 🔍 50% Tonus ITonus I
  12. 🔍 49% Ecce lignum CrucisEcce lignum Crucis
  13. 🔍 49% Ad te DomineAd te Domine
  14. 🔍 48% Toni Communes Ad Alleluia in Fine AntiphonarumToni Communes Ad Alleluia in Fine Antiphonarum
  15. 🔍 48% Benignitatem fecit DominusBenignitatem fecit Dominus
  16. 🔍 47% Qui te exspectantQui te exspectant
  17. 🔍 47% Ecce lignum CrucisEcce lignum Crucis
  18. 🔍 47% AlleluiaAlleluia
  19. 🔍 47% UniversiUniversi
  20. 🔍 46% Toni Communes Pneumata In Fine AntiphonarumToni Communes Pneumata In Fine Antiphonarum
  21. 🔍 46% Gloria PatriGloria Patri
  22. 🔍 46% Tonus IVTonus IV
  23. 🔍 45% Tonus VIIITonus VIII
  24. 🔍 44% Tonus DTonus D
  25. 🔍 44% AlleluiaAlleluia
  26. 🔍 44% Hosanna in excelsisHosanna in excelsis
  27. 🔍 44% Psalmus 24Psalmus 24
  28. 🔍 43% Tonus II*Tonus II*
  29. 🔍 43% Gloria (Introits tone 1)Gloria (Introits tone 1)
  30. 🔍 43% Psalmus responsorius E IPsalmus responsorius E I
  31. 🔍 42% Tonus IIITonus III
  32. 🔍 42% Tonus VIITonus VII
  33. 🔍 42% Christus vincitChristus vincit
  34. 🔍 42% Psalmus 84Psalmus 84
  35. 🔍 42% Gloria PatriGloria Patri
  36. 🔍 42% Victimae paschali laudesVictimae paschali laudes
  37. 🔍 41% Toni Communes Ad Alleluia In Fine ResponsoriumToni Communes Ad Alleluia In Fine Responsorium
  38. 🔍 41% Gloria (Introits tone 5)Gloria (Introits tone 5)
  39. 🔍 41% The Reproaches (10)The Reproaches (10)
  40. 🔍 41% Tonus CTonus C
  41. 🔍 41% Ad Orationes IIAd Orationes II
  42. 🔍 40% Psalmus 24Psalmus 24
  43. 🔍 40% Laudate Dominum omnes Gentes (Ps. 116)Laudate Dominum omnes Gentes (Ps. 116)
  44. 🔍 39% Suscipe me DomineSuscipe me Domine
  45. 🔍 38% Domine labia mea (in festis)Domine labia mea (in festis)
  46. 🔍 38% Gloria (Introits tone 7)Gloria (Introits tone 7)
  47. 🔍 38% Ad salutationem - 3Ad salutationem - 3
  48. 🔍 37% Tonus II*Tonus II*
  49. 🔍 37% Benedictus Deus (Laudes Divinae)Benedictus Deus (Laudes Divinae)
  50. 🔍 37% Sancta MariaSancta Maria
  51. 🔍 36% Tonus IIV*VTonus IIV*V
  52. 🔍 36% Deus in adjutoriumDeus in adjutorium
  53. 🔍 35% Gloria (Introits tone 4)Gloria (Introits tone 4)
  54. 🔍 35% Clementissime DomineClementissime Domine
  55. 🔍 35% Per Dominum (A)Per Dominum (A)
  56. 🔍 34% FontesFontes
  57. 🔍 34% Gloria (Introits tone 3)Gloria (Introits tone 3)
  58. 🔍 34% Domine labia meaDomine labia mea
  59. 🔍 34% Vidi aquamVidi aquam
  60. 🔍 34% Magnificat - 4E (simple)Magnificat - 4E (simple)
  61. 🔍 33% Per Dominum (B)Per Dominum (B)
  62. 🔍 33% Deus in adjutorium (Tonus festivus)Deus in adjutorium (Tonus festivus)
  63. 🔍 33% Magnificat - 8G (simple)Magnificat - 8G (simple)
  64. 🔍 33% Post collectam (Toni orationum B)Post collectam (Toni orationum B)
  65. 🔍 32% Gloria (Introits tone 8)Gloria (Introits tone 8)