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% Deus mundi opifexDeus mundi opifex
  2. 🔍 47% Christus Dei FiliusChristus Dei Filius
  3. 🔍 42% Joseph opifex sancteJoseph opifex sancte
  4. 🔍 39% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  5. 🔍 32% Dum esset summusDum esset summus
  6. 🔍 32% Domus meaDomus mea
  7. 🔍 31% Dum esset summus pontifexDum esset summus pontifex
  8. 🔍 30% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  9. 🔍 30% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  10. 🔍 30% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  11. 🔍 30% Miserere mihiMiserere mihi
  12. 🔍 30% Ecce veniet DeusEcce veniet Deus
  13. 🔍 30% Deus autem nosterDeus autem noster
  14. 🔍 30% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  15. 🔍 29% Artem fabriArtem fabri
  16. 🔍 29% Amavit eum DominusAmavit eum Dominus
  17. 🔍 29% Alleluia LaudateAlleluia Laudate
  18. 🔍 29% Veni electa meaVeni electa mea
  19. 🔍 29% Sacerdos et Pontifex... oraSacerdos et Pontifex... ora
  20. 🔍 29% Christus DominusChristus Dominus
  21. 🔍 29% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  22. 🔍 28% Ne tacuerisNe tacueris
  23. 🔍 28% Spiritus Domini replevitSpiritus Domini replevit
  24. 🔍 28% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  25. 🔍 28% Erunt pravaErunt prava
  26. 🔍 28% Deus misereaturDeus misereatur
  27. 🔍 28% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  28. 🔍 28% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  29. 🔍 28% Hodie Simon PetrusHodie Simon Petrus
  30. 🔍 28% Hodie Simon PetrusHodie Simon Petrus
  31. 🔍 28% Exaltare DomineExaltare Domine
  32. 🔍 28% Cum essem parvulaCum essem parvula
  33. 🔍 28% Deus meus misericordiaDeus meus misericordia
  34. 🔍 28% Adjutor meusAdjutor meus
  35. 🔍 28% Spiritus Domini replevitSpiritus Domini replevit
  36. 🔍 27% Miserere mei Deus et aMiserere mei Deus et a
  37. 🔍 27% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  38. 🔍 27% Spiritus Domini replevitSpiritus Domini replevit
  39. 🔍 27% Domine Deus meusDomine Deus meus
  40. 🔍 27% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  41. 🔍 27% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  42. 🔍 27% Sacerdos et PontifexSacerdos et Pontifex
  43. 🔍 27% Stans a longeStans a longe
  44. 🔍 27% Ecce veniet desideratusEcce veniet desideratus
  45. 🔍 27% Ecce puer meusEcce puer meus
  46. 🔍 27% Alleluia deduc me. (Sundays throughout the year at Terce)Alleluia deduc me. (Sundays throughout the year at Terce)
  47. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  48. 🔍 26% Cum videritisCum videritis
  49. 🔍 26% CurrebantCurrebant
  50. 🔍 26% Montes et collesMontes et colles
  51. 🔍 26% Benedictus DominusBenedictus Dominus
  52. 🔍 26% Ecce in nubibusEcce in nubibus
  53. 🔍 26% Exaudiat DominusExaudiat Dominus
  54. 🔍 26% Suavis DominusSuavis Dominus
  55. 🔍 26% Auxilium meumAuxilium meum
  56. 🔍 26% Unus autem ex illisUnus autem ex illis
  57. 🔍 26% Qui me confessus fueritQui me confessus fuerit
  58. 🔍 26% Qui me confessus fueritQui me confessus fuerit
  59. 🔍 26% Vado ad eum... et nemoVado ad eum... et nemo
  60. 🔍 26% Si quis mihi ministraveritSi quis mihi ministraverit
  61. 🔍 26% Iter faciente JesuIter faciente Jesu
  62. 🔍 26% Hodie completi suntHodie completi sunt
  63. 🔍 25% Transeunte DominoTranseunte Domino
  64. 🔍 25% Quaerite primumQuaerite primum
  65. 🔍 25% Veniet Dominus et nonVeniet Dominus et non