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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Iam surgit TPIam surgit TP
  2. πŸ” 70% Iam surgitIam surgit
  3. πŸ” 58% Haec hora (TP)Haec hora (TP)
  4. πŸ” 50% Aurora lucisAurora lucis
  5. πŸ” 50% Venite servi (TP)Venite servi (TP)
  6. πŸ” 33% Aurora iamAurora iam
  7. πŸ” 32% Maria noli iam flereMaria noli iam flere
  8. πŸ” 31% Iesu redemptor saeculi TPIesu redemptor saeculi TP
  9. πŸ” 28% Aeterna caeli gloriaAeterna caeli gloria
  10. πŸ” 28% Haec horaHaec hora
  11. πŸ” 28% Aurora iamAurora iam
  12. πŸ” 27% Vade iamVade iam
  13. πŸ” 27% Pergrata mundoPergrata mundo
  14. πŸ” 27% Ales diei nuntiusAles diei nuntius
  15. πŸ” 25% Ecce iam venit ... terras.Ecce iam venit ... terras.
  16. πŸ” 25% Ecce iam venit ... terras.Ecce iam venit ... terras.
  17. πŸ” 25% Dixi vobis iamDixi vobis iam
  18. πŸ” 25% Hoc iam tertioHoc iam tertio
  19. πŸ” 24% Exsultet iam angelicaExsultet iam angelica
  20. πŸ” 24% Nunc Sancte (dom.)Nunc Sancte (dom.)
  21. πŸ” 24% Qua ChristusQua Christus
  22. πŸ” 23% Dulci depromatDulci depromat
  23. πŸ” 23% Nox et tenebraeNox et tenebrae
  24. πŸ” 23% Adesto rerum conditorAdesto rerum conditor
  25. πŸ” 22% Haec hora (Pentecostes)Haec hora (Pentecostes)
  26. πŸ” 22% Veni Redemptor gentiumVeni Redemptor gentium
  27. πŸ” 22% Radix IesseRadix Iesse
  28. πŸ” 22% Aeterne rerum ... noctemAeterne rerum ... noctem
  29. πŸ” 22% Rerum Deus tenax (dom.)Rerum Deus tenax (dom.)
  30. πŸ” 22% Angelus ad pastoresAngelus ad pastores
  31. πŸ” 22% Adesto rerum conditorAdesto rerum conditor
  32. πŸ” 21% Ales diei nuntiusAles diei nuntius
  33. πŸ” 21% Te lucis ante terminumTe lucis ante terminum
  34. πŸ” 21% Ego enim iam deliborEgo enim iam delibor
  35. πŸ” 21% Praefatio ferialis de Ecclesiae DedicationePraefatio ferialis de Ecclesiae Dedicatione
  36. πŸ” 21% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  37. πŸ” 21% Rerum Deus (In Tempore Paschali)Rerum Deus (In Tempore Paschali)
  38. πŸ” 21% Prope est iam Dominus (In feriis)Prope est iam Dominus (In feriis)
  39. πŸ” 21% Magnis prophetaeMagnis prophetae
  40. πŸ” 21% Exsultet jam AngelicaExsultet jam Angelica
  41. πŸ” 21% Te lucis ante terminum (In Nativitate Domini)Te lucis ante terminum (In Nativitate Domini)
  42. πŸ” 21% Stabat Mater DolorosaStabat Mater Dolorosa
  43. πŸ” 21% Dicamus laudes (In feriis)Dicamus laudes (In feriis)
  44. πŸ” 21% Ave lumenAve lumen
  45. πŸ” 21% Deus, qui potestΓ‘teDeus, qui potestΓ‘te
  46. πŸ” 21% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  47. πŸ” 20% Rerum Deus tenax vigor (In Feriis per annum)Rerum Deus tenax vigor (In Feriis per annum)
  48. πŸ” 20% Nunc sancte nobis Spiritus (In tempore Epiphaniae)Nunc sancte nobis Spiritus (In tempore Epiphaniae)
  49. πŸ” 20% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  50. πŸ” 20% Venit Maria nuntiansVenit Maria nuntians
  51. πŸ” 20% Dei fideDei fide
  52. πŸ” 20% Vox clara ecce intonatVox clara ecce intonat
  53. πŸ” 20% Aeterne lucis conditorAeterne lucis conditor
  54. πŸ” 20% Fulgentis auctor aetherisFulgentis auctor aetheris
  55. πŸ” 20% Haec dies simpl.Haec dies simpl.
  56. πŸ” 20% Certum tenentes (In dominicis per annum)Certum tenentes (In dominicis per annum)
  57. πŸ” 20% Certum tenentes (In feriis per annum)Certum tenentes (In feriis per annum)
  58. πŸ” 20% Christe precamurChriste precamur
  59. πŸ” 20% Adesto Christe (+rhythmic signs)Adesto Christe (+rhythmic signs)
  60. πŸ” 20% Nunc Sancte nobis (In Tempore Paschali)Nunc Sancte nobis (In Tempore Paschali)
  61. πŸ” 20% Conditor alme siderumConditor alme siderum
  62. πŸ” 20% Jam Christus astra ascenderatJam Christus astra ascenderat
  63. πŸ” 20% Te lucis ante terminum (In Tempore Paschali)Te lucis ante terminum (In Tempore Paschali)
  64. πŸ” 20% Rector potens (dom.)Rector potens (dom.)
  65. πŸ” 20% Stabat Mater speciosaStabat Mater speciosa