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% Artem fabriArtem fabri
  2. 🔍 38% Angelus Domini apparuitAngelus Domini apparuit
  3. 🔍 37% Christus Dei FiliusChristus Dei Filius
  4. 🔍 36% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  5. 🔍 35% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  6. 🔍 35% Dixit autem dominusDixit autem dominus
  7. 🔍 35% Et ipse JesusEt ipse Jesus
  8. 🔍 34% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  9. 🔍 33% Christus DominusChristus Dominus
  10. 🔍 33% Oleum effusumOleum effusum
  11. 🔍 33% Ne timeasNe timeas
  12. 🔍 33% Factus estFactus est
  13. 🔍 33% Lapides torrentesLapides torrentes
  14. 🔍 32% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  15. 🔍 32% Argentum et aurumArgentum et aurum
  16. 🔍 32% Angelus autem DominiAngelus autem Domini
  17. 🔍 32% Dixit Dominus ad NoeDixit Dominus ad Noe
  18. 🔍 32% Serve boneServe bone
  19. 🔍 32% Ne timeas... alleluiaNe timeas... alleluia
  20. 🔍 32% Venite (S. Rita)Venite (S. Rita)
  21. 🔍 31% Magna opera DominiMagna opera Domini
  22. 🔍 31% Sancte Paule ApostoleSancte Paule Apostole
  23. 🔍 31% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  24. 🔍 31% Missus est GabrielMissus est Gabriel
  25. 🔍 30% Si diligitis meSi diligitis me
  26. 🔍 30% Absterget DeusAbsterget Deus
  27. 🔍 30% Prae timore autemPrae timore autem
  28. 🔍 30% Parvulus filiusParvulus filius
  29. 🔍 30% Si quis diligit meSi quis diligit me
  30. 🔍 30% Si quis diligit meSi quis diligit me
  31. 🔍 30% Beata es Maria (Visitation)Beata es Maria (Visitation)
  32. 🔍 30% LaetareLaetare
  33. 🔍 30% Orante sancta LuciaOrante sancta Lucia
  34. 🔍 30% Usque modoUsque modo
  35. 🔍 30% Triduanas a DominoTriduanas a Domino
  36. 🔍 30% Innuebant patriInnuebant patri
  37. 🔍 30% Simeon justusSimeon justus
  38. 🔍 30% Malos male perdetMalos male perdet
  39. 🔍 30% Puer qui natus estPuer qui natus est
  40. 🔍 29% Tulerunt DominumTulerunt Dominum
  41. 🔍 29% Deus mundi opifexDeus mundi opifex
  42. 🔍 29% Est secretumEst secretum
  43. 🔍 29% Omnis spiritusOmnis spiritus
  44. 🔍 29% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  45. 🔍 29% Magnificavit DominusMagnificavit Dominus
  46. 🔍 29% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  47. 🔍 29% Beata Agnes in medioBeata Agnes in medio
  48. 🔍 29% Videte manus measVidete manus meas
  49. 🔍 29% Exaltata est Virgo MariaExaltata est Virgo Maria
  50. 🔍 29% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  51. 🔍 29% Mecum enimMecum enim
  52. 🔍 29% Gloria laudis resonetGloria laudis resonet
  53. 🔍 29% Respondens autem AngelusRespondens autem Angelus
  54. 🔍 29% Quid faciamQuid faciam
  55. 🔍 29% Data est mihiData est mihi
  56. 🔍 28% Beatus ille servusBeatus ille servus
  57. 🔍 28% Fecit tibi magnaFecit tibi magna
  58. 🔍 28% Dixit Jesus discipulisDixit Jesus discipulis
  59. 🔍 28% Adhaesit anima (St. Stephani)Adhaesit anima (St. Stephani)
  60. 🔍 28% Benedicta es tuBenedicta es tu
  61. 🔍 28% Ingresso ZachariaIngresso Zacharia
  62. 🔍 28% Si in digitoSi in digito
  63. 🔍 28% O Doctor optimeO Doctor optime
  64. 🔍 28% ExtollensExtollens
  65. 🔍 28% Beatus AndreasBeatus Andreas