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: 2025-12-19. 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 (Introits tone 1)Gloria (Introits tone 1)
  2. 🔍 88% Gloria (Introits tone 5)Gloria (Introits tone 5)
  3. 🔍 83% Gloria (Introits tone 4)Gloria (Introits tone 4)
  4. 🔍 82% Gloria (Introits tone 3)Gloria (Introits tone 3)
  5. 🔍 82% Gloria (Introits tone 7)Gloria (Introits tone 7)
  6. 🔍 78% Gloria (Introits tone 8)Gloria (Introits tone 8)
  7. 🔍 52% Magnificat, 8G 8G* 8cMagnificat, 8G 8G* 8c
  8. 🔍 51% Gloria (Introits tone 2)Gloria (Introits tone 2)
  9. 🔍 50% Gloria (Introits tone 6)Gloria (Introits tone 6)
  10. 🔍 49% Versus litanici in cantu (Feria V / Sabbato sancto)Versus litanici in cantu (Feria V / Sabbato sancto)
  11. 🔍 49% Versus litanici in cantu (Feria VI)Versus litanici in cantu (Feria VI)
  12. 🔍 47% Gloria PatriGloria Patri
  13. 🔍 47% Toni Communes Ad Alleluia in Fine AntiphonarumToni Communes Ad Alleluia in Fine Antiphonarum
  14. 🔍 47% Popule meusPopule meus
  15. 🔍 46% Ecce lignum CrucisEcce lignum Crucis
  16. 🔍 46% Tonus ITonus I
  17. 🔍 46% Toni Communes Pneumata In Fine AntiphonarumToni Communes Pneumata In Fine Antiphonarum
  18. 🔍 45% Qui te exspectantQui te exspectant
  19. 🔍 45% Benignitatem fecit DominusBenignitatem fecit Dominus
  20. 🔍 45% Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)
  21. 🔍 43% Ecce lignum CrucisEcce lignum Crucis
  22. 🔍 43% The Reproaches (10)The Reproaches (10)
  23. 🔍 43% Ad te DomineAd te Domine
  24. 🔍 43% UniversiUniversi
  25. 🔍 43% Pro orationibus - Tonus sollemnisPro orationibus - Tonus sollemnis
  26. 🔍 43% Pro orationibus - Tonus simplexPro orationibus - Tonus simplex
  27. 🔍 43% Psalmus alleluiaticus E *Psalmus alleluiaticus E *
  28. 🔍 41% Ecce lignum CrucisEcce lignum Crucis
  29. 🔍 41% Toni Communes Ad Alleluia In Fine ResponsoriumToni Communes Ad Alleluia In Fine Responsorium
  30. 🔍 41% AlleluiaAlleluia
  31. 🔍 40% Tonus VIIITonus VIII
  32. 🔍 40% Hosanna in excelsisHosanna in excelsis
  33. 🔍 40% Tonus DTonus D
  34. 🔍 40% Tonus II*Tonus II*
  35. 🔍 40% Tonus IVTonus IV
  36. 🔍 39% AlleluiaAlleluia
  37. 🔍 38% Christus vincitChristus vincit
  38. 🔍 38% Tonus VIITonus VII
  39. 🔍 37% Tonus CTonus C
  40. 🔍 37% Tonus IIITonus III
  41. 🔍 36% Sancta MariaSancta Maria
  42. 🔍 35% Psalmus 24Psalmus 24
  43. 🔍 35% Victimae paschali laudesVictimae paschali laudes
  44. 🔍 35% Gloria PatriGloria Patri
  45. 🔍 34% Psalmus 84Psalmus 84
  46. 🔍 34% Psalmus 24Psalmus 24
  47. 🔍 34% Libera me Domine de morteLibera me Domine de morte
  48. 🔍 33% Tonus II*Tonus II*
  49. 🔍 33% Suscipe me DomineSuscipe me Domine
  50. 🔍 33% Psalmus responsorius E IPsalmus responsorius E I
  51. 🔍 32% Gloria PatriGloria Patri
  52. 🔍 32% Tonus IIV*VTonus IIV*V
  53. 🔍 31% Benedictus Deus (Laudes Divinae)Benedictus Deus (Laudes Divinae)
  54. 🔍 30% Laudate Dominum omnes Gentes (Ps. 116)Laudate Dominum omnes Gentes (Ps. 116)
  55. 🔍 30% Before the ending of the day (Feast tone)Before the ending of the day (Feast tone)
  56. 🔍 30% Clementissime DomineClementissime Domine
  57. 🔍 29% Gloria Patri IGloria Patri I
  58. 🔍 29% Veni Sancte SpiritusVeni Sancte Spiritus
  59. 🔍 29% Before the ending of the day (Sunday tone)Before the ending of the day (Sunday tone)
  60. 🔍 29% Before the ending of the day (Epiphany tone)Before the ending of the day (Epiphany tone)
  61. 🔍 29% Before the ending of the day (Advent tone)Before the ending of the day (Advent tone)
  62. 🔍 29% Magnificat - 4E (simple)Magnificat - 4E (simple)
  63. 🔍 28% Before the ending of the day (Solemnity tone)Before the ending of the day (Solemnity tone)
  64. 🔍 28% Deus IsraelDeus Israel
  65. 🔍 28% Domine labia mea (in festis)Domine labia mea (in festis)