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 8)Gloria (Introits tone 8)
  2. 🔍 89% Gloria (Introits tone 3)Gloria (Introits tone 3)
  3. 🔍 86% Gloria (Introits tone 4)Gloria (Introits tone 4)
  4. 🔍 84% Gloria (Introits tone 5)Gloria (Introits tone 5)
  5. 🔍 81% Gloria (Introits tone 7)Gloria (Introits tone 7)
  6. 🔍 78% Gloria (Introits tone 1)Gloria (Introits tone 1)
  7. 🔍 73% Gloria (Introits tone 6)Gloria (Introits tone 6)
  8. 🔍 70% Gloria (Introits tone 2)Gloria (Introits tone 2)
  9. 🔍 42% Deus IsraelDeus Israel
  10. 🔍 38% Magnificat, 8G 8G* 8cMagnificat, 8G 8G* 8c
  11. 🔍 38% Exaudi nosExaudi nos
  12. 🔍 37% Ecce lignum CrucisEcce lignum Crucis
  13. 🔍 37% The Reproaches (10)The Reproaches (10)
  14. 🔍 36% Versus litanici in cantu (Feria V / Sabbato sancto)Versus litanici in cantu (Feria V / Sabbato sancto)
  15. 🔍 36% Versus litanici in cantu (Feria VI)Versus litanici in cantu (Feria VI)
  16. 🔍 35% Toni Communes Ad Alleluia in Fine AntiphonarumToni Communes Ad Alleluia in Fine Antiphonarum
  17. 🔍 35% Gloria PatriGloria Patri
  18. 🔍 35% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  19. 🔍 35% AlleluiaAlleluia
  20. 🔍 35% Popule meusPopule meus
  21. 🔍 34% Toni Communes Pneumata In Fine AntiphonarumToni Communes Pneumata In Fine Antiphonarum
  22. 🔍 34% Libera me Domine de morteLibera me Domine de morte
  23. 🔍 34% Gloria Patri VIIIGloria Patri VIII
  24. 🔍 34% Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)Dominus vobiscum (Toni Orationem: Toni antiqui ad libitum: Tonus simplex.)
  25. 🔍 33% Ecce lignum CrucisEcce lignum Crucis
  26. 🔍 33% Tonus ITonus I
  27. 🔍 33% Benignitatem fecit DominusBenignitatem fecit Dominus
  28. 🔍 32% Qui te exspectantQui te exspectant
  29. 🔍 32% Pro orationibus - Tonus simplexPro orationibus - Tonus simplex
  30. 🔍 32% Pro orationibus - Tonus sollemnisPro orationibus - Tonus sollemnis
  31. 🔍 32% UniversiUniversi
  32. 🔍 31% Dignus est AgnusDignus est Agnus
  33. 🔍 31% Psalmus alleluiaticus E *Psalmus alleluiaticus E *
  34. 🔍 31% Ad te DomineAd te Domine
  35. 🔍 31% Ecce lignum CrucisEcce lignum Crucis
  36. 🔍 31% Toni Communes Ad Alleluia In Fine ResponsoriumToni Communes Ad Alleluia In Fine Responsorium
  37. 🔍 31% Gloria Patri VIIIGloria Patri VIII
  38. 🔍 30% Credo IIICredo III
  39. 🔍 30% Vidi AquamVidi Aquam
  40. 🔍 30% Introduxit nos DominusIntroduxit nos Dominus
  41. 🔍 30% Hosanna in excelsisHosanna in excelsis
  42. 🔍 30% Tonus II*Tonus II*
  43. 🔍 30% Tonus VIIITonus VIII
  44. 🔍 30% Tonus DTonus D
  45. 🔍 30% Before the ending of the day (Memorials and Feasts of Our Lady)Before the ending of the day (Memorials and Feasts of Our Lady)
  46. 🔍 29% Tonus IVTonus IV
  47. 🔍 29% Hodie scietisHodie scietis
  48. 🔍 29% Dum medium silentiumDum medium silentium
  49. 🔍 29% Occurrunt turbaeOccurrunt turbae
  50. 🔍 29% Vidi aquamVidi aquam
  51. 🔍 29% Christus vincitChristus vincit
  52. 🔍 28% AlleluiaAlleluia
  53. 🔍 28% Postquam surrexitPostquam surrexit
  54. 🔍 28% Tonus CTonus C
  55. 🔍 28% Before the ending of the day (Feast tone)Before the ending of the day (Feast tone)
  56. 🔍 28% In excelso thronoIn excelso throno
  57. 🔍 28% Tonus VIITonus VII
  58. 🔍 28% Before the ending of the day (Sunday tone)Before the ending of the day (Sunday tone)
  59. 🔍 28% Clementissime DomineClementissime Domine
  60. 🔍 27% Tonus IIITonus III
  61. 🔍 27% Before the ending of the day (Epiphany tone)Before the ending of the day (Epiphany tone)
  62. 🔍 27% Lumen HilareLumen Hilare
  63. 🔍 27% Before the ending of the day (ferial tone)Before the ending of the day (ferial tone)
  64. 🔍 27% Before the ending of the day (Solemnity tone)Before the ending of the day (Solemnity tone)
  65. 🔍 27% Before the ending of the day (Advent tone)Before the ending of the day (Advent tone)