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% Quatuor vecta rotisQuatuor vecta rotis
  2. 🔍 29% O PetreO Petre
  3. 🔍 28% Dum Samsonis vulpesDum Samsonis vulpes
  4. 🔍 26% Sancte N.Sancte N.
  5. 🔍 26% Sponso sponsa!Sponso sponsa!
  6. 🔍 25% Benedicens ergo DeusBenedicens ergo Deus
  7. 🔍 25% Benedicta sit creatrixBenedicta sit creatrix
  8. 🔍 25% Gaude Maria VirgoGaude Maria Virgo
  9. 🔍 25% Dum novus hic MoysesDum novus hic Moyses
  10. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  11. 🔍 24% Obaudite meObaudite me
  12. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  14. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 24% Ex quo religioEx quo religio
  16. 🔍 24% Beata nobisBeata nobis
  17. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  18. 🔍 24% Ascendente JesuAscendente Jesu
  19. 🔍 23% O vos unanimesO vos unanimes
  20. 🔍 23% O crux splendidiorO crux splendidior
  21. 🔍 23% Tua sunt haecTua sunt haec
  22. 🔍 23% Honor virtusHonor virtus
  23. 🔍 23% O vos aethereiO vos aetherei
  24. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  25. 🔍 22% O gente felix hospitaO gente felix hospita
  26. 🔍 22% Descendit JesusDescendit Jesus
  27. 🔍 22% Impleta gaudentImpleta gaudent
  28. 🔍 22% Filiae JerusalemFiliae Jerusalem
  29. 🔍 22% Ave Regina CaelorumAve Regina Caelorum
  30. 🔍 22% Mente jucundaMente jucunda
  31. 🔍 22% O quam glorificaO quam glorifica
  32. 🔍 22% Precemur omnes cernuiPrecemur omnes cernui
  33. 🔍 22% Qui propheticoQui prophetico
  34. 🔍 22% Tu Trinitatis UnitasTu Trinitatis Unitas
  35. 🔍 22% Sicut oculiSicut oculi
  36. 🔍 22% Jam non dicamJam non dicam
  37. 🔍 22% Benedicta sit sanctaBenedicta sit sancta
  38. 🔍 21% Aquae omnesAquae omnes
  39. 🔍 21% In Francisci filioIn Francisci filio
  40. 🔍 21% Gaude Maria VirgoGaude Maria Virgo
  41. 🔍 21% Gaudent in caelisGaudent in caelis
  42. 🔍 21% Roma Petro GlorieturRoma Petro Glorietur
  43. 🔍 21% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  44. 🔍 21% O quam glorificaO quam glorifica
  45. 🔍 21% Sanctorum meritisSanctorum meritis
  46. 🔍 21% AdeamusAdeamus
  47. 🔍 21% Christus resurgensChristus resurgens
  48. 🔍 21% Exsultet caelum (II)Exsultet caelum (II)
  49. 🔍 21% Factum est in unaFactum est in una
  50. 🔍 21% Tu Trinitatis unitasTu Trinitatis unitas
  51. 🔍 21% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  52. 🔍 21% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  53. 🔍 21% Veni Redemptor gentiumVeni Redemptor gentium
  54. 🔍 21% Audi IsraelAudi Israel
  55. 🔍 21% Benedicta sit creatrixBenedicta sit creatrix
  56. 🔍 21% O Redemptor O Redemptor
  57. 🔍 21% Tu natale solum protegeTu natale solum protege
  58. 🔍 21% O castitatis signiferO castitatis signifer
  59. 🔍 21% Gloria IIGloria II
  60. 🔍 21% Ait Dominus DeusAit Dominus Deus
  61. 🔍 21% Saule fraterSaule frater
  62. 🔍 21% Aeterne sol qui lumineAeterne sol qui lumine
  63. 🔍 21% Iste est qui pro legeIste est qui pro lege
  64. 🔍 21% Summae Deus clementiae septemSummae Deus clementiae septem
  65. 🔍 21% Ave Maria... virgo serenaAve Maria... virgo serena