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% Beatus AndreasBeatus Andreas
  2. 🔍 97% Beatus Andreas orabatBeatus Andreas orabat
  3. 🔍 60% Beatus AndreasBeatus Andreas
  4. 🔍 59% Beatus AndreasBeatus Andreas
  5. 🔍 43% Salve Crux pretiosaSalve Crux pretiosa
  6. 🔍 38% Beatus Laurentius orabatBeatus Laurentius orabat
  7. 🔍 36% Dixit autem dominusDixit autem dominus
  8. 🔍 36% Stans JesusStans Jesus
  9. 🔍 35% Unus ex duobusUnus ex duobus
  10. 🔍 35% In die magnoIn die magno
  11. 🔍 34% Mecum enimMecum enim
  12. 🔍 34% Confortatus estConfortatus est
  13. 🔍 34% Ne timeasNe timeas
  14. 🔍 33% Beatus populusBeatus populus
  15. 🔍 33% Usque modoUsque modo
  16. 🔍 33% Ne timeas... alleluiaNe timeas... alleluia
  17. 🔍 32% O Doctor optimeO Doctor optime
  18. 🔍 32% Sancte Paule ApostoleSancte Paule Apostole
  19. 🔍 31% Rex pacificusRex pacificus
  20. 🔍 31% Facta estFacta est
  21. 🔍 31% Magna opera DominiMagna opera Domini
  22. 🔍 31% Beatus ille servusBeatus ille servus
  23. 🔍 31% Juravit DominusJuravit Dominus
  24. 🔍 31% O OriensO Oriens
  25. 🔍 31% Est secretumEst secretum
  26. 🔍 30% Omnis spiritusOmnis spiritus
  27. 🔍 30% ExtollensExtollens
  28. 🔍 30% Triduanas a DominoTriduanas a Domino
  29. 🔍 30% Facta est cum AngeloFacta est cum Angelo
  30. 🔍 30% Venite ad meVenite ad me
  31. 🔍 30% Sit nomen Domini... inSit nomen Domini... in
  32. 🔍 30% Sit nomen DominiSit nomen Domini
  33. 🔍 30% Ipse praeibit ante illumIpse praeibit ante illum
  34. 🔍 30% Andreas Christi famulusAndreas Christi famulus
  35. 🔍 30% Quid faciamQuid faciam
  36. 🔍 30% O Rex gentiumO Rex gentium
  37. 🔍 29% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  38. 🔍 29% Suscepit DeusSuscepit Deus
  39. 🔍 29% Oleum effusumOleum effusum
  40. 🔍 29% Vobis datum estVobis datum est
  41. 🔍 29% Beata Agnes in medioBeata Agnes in medio
  42. 🔍 29% Dirige DomineDirige Domine
  43. 🔍 29% Innuebant patriInnuebant patri
  44. 🔍 29% Sacrificabo hostiamSacrificabo hostiam
  45. 🔍 29% Orante sancta LuciaOrante sancta Lucia
  46. 🔍 29% Lucia virgoLucia virgo
  47. 🔍 29% Voca operariosVoca operarios
  48. 🔍 29% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  49. 🔍 29% Dixit Dominus DominoDixit Dominus Domino
  50. 🔍 29% Malos male perdetMalos male perdet
  51. 🔍 29% Et ipse JesusEt ipse Jesus
  52. 🔍 29% Respondens autem AngelusRespondens autem Angelus
  53. 🔍 29% Angelus Domini apparuitAngelus Domini apparuit
  54. 🔍 29% Laus Deo PatriLaus Deo Patri
  55. 🔍 29% Serve boneServe bone
  56. 🔍 29% Ingressa AgnesIngressa Agnes
  57. 🔍 28% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  58. 🔍 28% Vota meaVota mea
  59. 🔍 28% Sepelierunt StephanumSepelierunt Stephanum
  60. 🔍 28% In die tribulationisIn die tribulationis
  61. 🔍 28% Dixit Dominus ad NoeDixit Dominus ad Noe
  62. 🔍 28% Misit Dominus ... de medioMisit Dominus ... de medio
  63. 🔍 28% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  64. 🔍 28% Misit Dominus (S. Laurentii)Misit Dominus (S. Laurentii)
  65. 🔍 28% Artem fabriArtem fabri