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% In nomine Christi. Amen.In nomine Christi. Amen.
  2. 🔍 60% Procedamus in paceProcedamus in pace
  3. 🔍 37% In nomine PatrisIn nomine Patris
  4. 🔍 35% Lumen ChristiLumen Christi
  5. 🔍 33% In nomine PatrisIn nomine Patris
  6. 🔍 32% In nomine PatrisIn nomine Patris
  7. 🔍 30% Litania 03 Sancta MariaLitania 03 Sancta Maria
  8. 🔍 28% Litania 10 PeccatoresLitania 10 Peccatores
  9. 🔍 28% Litania 04 Sancta Dei GenitrixLitania 04 Sancta Dei Genitrix
  10. 🔍 28% Litania 09 Propitius estoLitania 09 Propitius esto
  11. 🔍 27% Litania 06 Sancte JoannesLitania 06 Sancte Joannes
  12. 🔍 27% Litania 08 Sancte PetreLitania 08 Sancte Petre
  13. 🔍 26% Requiem (simple)Requiem (simple)
  14. 🔍 26% Litania 05 Omnes sancti Litania 05 Omnes sancti
  15. 🔍 25% In nomine PatrisIn nomine Patris
  16. 🔍 25% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  17. 🔍 25% Verba meaVerba mea
  18. 🔍 25% Laudate DominumLaudate Dominum
  19. 🔍 24% Litania 07 Omnes Sancti PatriarchaeLitania 07 Omnes Sancti Patriarchae
  20. 🔍 24% Benedictus DominusBenedictus Dominus
  21. 🔍 22% Ego propter teEgo propter te
  22. 🔍 21% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  23. 🔍 21% Dominus vobiscum (Toni Orationem: Tonus festivus.)Dominus vobiscum (Toni Orationem: Tonus festivus.)
  24. 🔍 21% In nomine enimIn nomine enim
  25. 🔍 21% Amen amen dico vobis siAmen amen dico vobis si
  26. 🔍 20% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  27. 🔍 20% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  28. 🔍 20% Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)
  29. 🔍 20% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  30. 🔍 19% Litania 11 Agnus DeiLitania 11 Agnus Dei
  31. 🔍 19% Sit nomen (Ad Benedictionem pontificalem)Sit nomen (Ad Benedictionem pontificalem)
  32. 🔍 19% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  33. 🔍 19% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  34. 🔍 19% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  35. 🔍 19% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  36. 🔍 18% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  37. 🔍 18% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  38. 🔍 18% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  39. 🔍 18% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  40. 🔍 18% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  41. 🔍 18% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  42. 🔍 18% Gloria Patri VGloria Patri V
  43. 🔍 18% Amen amenAmen amen
  44. 🔍 18% Salvasti nosSalvasti nos
  45. 🔍 18% Alleluia (ant. mode I)Alleluia (ant. mode I)
  46. 🔍 18% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  47. 🔍 18% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  48. 🔍 18% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  49. 🔍 17% In nomine DominiIn nomine Domini
  50. 🔍 17% Veni sponsa Christi (II Vesperis)Veni sponsa Christi (II Vesperis)
  51. 🔍 17% Exsurge Domine adjuvaExsurge Domine adjuva
  52. 🔍 17% Amen amen dico vobis si quisAmen amen dico vobis si quis
  53. 🔍 17% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  54. 🔍 17% In nomine Jesu... Ps. DomineIn nomine Jesu... Ps. Domine
  55. 🔍 17% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  56. 🔍 17% Deus in adjutoriumDeus in adjutorium
  57. 🔍 17% Amen amen... quia plorabitisAmen amen... quia plorabitis
  58. 🔍 17% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  59. 🔍 17% Domine labia mea aperiesDomine labia mea aperies
  60. 🔍 17% Alleluia (ad communionem mode 7)Alleluia (ad communionem mode 7)
  61. 🔍 17% Dominus vobiscum (Toni Evangelii)Dominus vobiscum (Toni Evangelii)
  62. 🔍 17% Alleluia (modi communes post offertorium - VI)Alleluia (modi communes post offertorium - VI)
  63. 🔍 17% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  64. 🔍 17% Amen amen dico vobisAmen amen dico vobis
  65. 🔍 17% Exsurge Domine adjuvaExsurge Domine adjuva