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% Erumpant montesErumpant montes
  2. 🔍 63% Erumpant montesErumpant montes
  3. 🔍 63% Erumpant montesErumpant montes
  4. 🔍 62% Erumpant montesErumpant montes
  5. 🔍 41% Erumpant montesErumpant montes
  6. 🔍 37% Erumpant montes (ad libitum)Erumpant montes (ad libitum)
  7. 🔍 30% Montes et collesMontes et colles
  8. 🔍 28% Montes et omnes collesMontes et omnes colles
  9. 🔍 25% Montes et omnesMontes et omnes
  10. 🔍 25% Montes et omnesMontes et omnes
  11. 🔍 24% Montes et collesMontes et colles
  12. 🔍 24% Ecce Dominus venietEcce Dominus veniet
  13. 🔍 24% Montes et collesMontes et colles
  14. 🔍 24% Montes et collesMontes et colles
  15. 🔍 23% In tua justitiaIn tua justitia
  16. 🔍 23% Montes et omnes collesMontes et omnes colles
  17. 🔍 23% Nolite judicareNolite judicare
  18. 🔍 23% Cum jucunditateCum jucunditate
  19. 🔍 22% Montes et collesMontes et colles
  20. 🔍 22% Amplius lava meAmplius lava me
  21. 🔍 22% Montes et collesMontes et colles
  22. 🔍 22% Montes et omnes collesMontes et omnes colles
  23. 🔍 22% In illa dieIn illa die
  24. 🔍 22% Tuam DomineTuam Domine
  25. 🔍 22% Deduc meDeduc me
  26. 🔍 21% Montes et omnes collesMontes et omnes colles
  27. 🔍 21% Tu BethlehemTu Bethlehem
  28. 🔍 21% Nolite judicareNolite judicare
  29. 🔍 21% Deposuit potentesDeposuit potentes
  30. 🔍 21% Nolite judicareNolite judicare
  31. 🔍 21% ElevareElevare
  32. 🔍 21% JustificerisJustificeris
  33. 🔍 21% Laetabitur (I)Laetabitur (I)
  34. 🔍 21% Cum autem descendissetCum autem descendisset
  35. 🔍 21% Ego sum luxEgo sum lux
  36. 🔍 21% Montes et collesMontes et colles
  37. 🔍 21% Montes et omnesMontes et omnes
  38. 🔍 20% Qui exaltatQui exaltat
  39. 🔍 20% Justus DominusJustus Dominus
  40. 🔍 20% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  41. 🔍 20% Ecce... Rex DominusEcce... Rex Dominus
  42. 🔍 20% Respexit Dominus (I)Respexit Dominus (I)
  43. 🔍 20% Cum venerit Paraclitus SpiritusCum venerit Paraclitus Spiritus
  44. 🔍 20% Miserere mihiMiserere mihi
  45. 🔍 20% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  46. 🔍 20% Ego enim jam deliborEgo enim jam delibor
  47. 🔍 20% Excita DomineExcita Domine
  48. 🔍 20% Praefatio ferialis de beata Maria VirginePraefatio ferialis de beata Maria Virgine
  49. 🔍 19% Judicii signumJudicii signum
  50. 🔍 19% Nolite timereNolite timere
  51. 🔍 19% Innocens manibusInnocens manibus
  52. 🔍 19% Praefatio ferialis de MartyribusPraefatio ferialis de Martyribus
  53. 🔍 19% Hodie scietisHodie scietis
  54. 🔍 19% Praefatio ferialis de QuadragesimaPraefatio ferialis de Quadragesima
  55. 🔍 19% Potestatem habeoPotestatem habeo
  56. 🔍 19% JudicastiJudicasti
  57. 🔍 19% Ponent DominoPonent Domino
  58. 🔍 18% Cum jucunditate MaternitatemCum jucunditate Maternitatem
  59. 🔍 18% Requiem (Ant.)Requiem (Ant.)
  60. 🔍 18% Exsultate justiExsultate justi
  61. 🔍 18% Itaque quicumque manducaveritItaque quicumque manducaverit
  62. 🔍 18% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  63. 🔍 18% Secundum multitudinemSecundum multitudinem
  64. 🔍 18% Ave MariaAve Maria
  65. 🔍 18% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C