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