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% Jam Christus astraJam Christus astra
  2. 🔍 72% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  3. 🔍 71% Iam ChristusIam Christus
  4. 🔍 70% Aeterna imago AltissimiAeterna imago Altissimi
  5. 🔍 70% Jam Christus astraJam Christus astra
  6. 🔍 69% Jam Christus astraJam Christus astra
  7. 🔍 67% Jam Christus astra ascenderatJam Christus astra ascenderat
  8. 🔍 66% Jam Christus astraJam Christus astra
  9. 🔍 65% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  10. 🔍 64% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  11. 🔍 63% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  12. 🔍 62% Vexilla Christus inclytaVexilla Christus inclyta
  13. 🔍 60% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  14. 🔍 60% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  15. 🔍 58% Jam Christus astra ascenderatJam Christus astra ascenderat
  16. 🔍 58% Ad cenamAd cenam
  17. 🔍 56% Haec hora (Pentecostes)Haec hora (Pentecostes)
  18. 🔍 55% Te lucis ante terminum (In Pentecoste)Te lucis ante terminum (In Pentecoste)
  19. 🔍 55% Exsultet caelum (III)Exsultet caelum (III)
  20. 🔍 55% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  21. 🔍 53% Ex more docti mysticoEx more docti mystico
  22. 🔍 53% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  23. 🔍 53% Venite servi (Pentecostes)Venite servi (Pentecostes)
  24. 🔍 53% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  25. 🔍 52% Deus tuorum II Cl.Deus tuorum II Cl.
  26. 🔍 52% Rector potens verax Deus (In Pentecoste)Rector potens verax Deus (In Pentecoste)
  27. 🔍 51% Rerum deus tenax vigor (In Pentecoste)Rerum deus tenax vigor (In Pentecoste)
  28. 🔍 51% Rector potens (In Pentecoste)Rector potens (In Pentecoste)
  29. 🔍 50% Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)
  30. 🔍 50% Dei fideDei fide
  31. 🔍 49% Qua Christus hora sitiitQua Christus hora sitiit
  32. 🔍 49% Ex more docti MysticoEx more docti Mystico
  33. 🔍 48% Nunc tempus acceptabileNunc tempus acceptabile
  34. 🔍 48% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  35. 🔍 47% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  36. 🔍 47% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  37. 🔍 46% Beata nobis gaudiaBeata nobis gaudia
  38. 🔍 45% Beata nobis gaudiaBeata nobis gaudia
  39. 🔍 45% Vexilla ChristusVexilla Christus
  40. 🔍 44% A solis ortusA solis ortus
  41. 🔍 43% Veni Redemptor gentiumVeni Redemptor gentium
  42. 🔍 43% Ternis ter horisTernis ter horis
  43. 🔍 43% Ad regias Agni dapesAd regias Agni dapes
  44. 🔍 43% Te saeculorum PrincipemTe saeculorum Principem
  45. 🔍 42% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  46. 🔍 40% Te saeculorum PrincipemTe saeculorum Principem
  47. 🔍 40% Veni Creator (1983/1934)Veni Creator (1983/1934)
  48. 🔍 40% Veni Creator SpiritusVeni Creator Spiritus
  49. 🔍 40% Pange lingua... proeliumPange lingua... proelium
  50. 🔍 40% Veni Creator SpiritusVeni Creator Spiritus
  51. 🔍 40% Te lucis ante terminum (In Festo Christi Regis)Te lucis ante terminum (In Festo Christi Regis)
  52. 🔍 39% Lustris sex qui jam peractisLustris sex qui jam peractis
  53. 🔍 39% En acetumEn acetum
  54. 🔍 39% Beata nobisBeata nobis
  55. 🔍 39% Beata nobis gaudiaBeata nobis gaudia
  56. 🔍 39% Pange lingua... LaureamPange lingua... Lauream
  57. 🔍 39% Beata nobis gaudiaBeata nobis gaudia
  58. 🔍 39% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  59. 🔍 39% Pange Lingua... ProeliumPange Lingua... Proelium
  60. 🔍 39% Lustra sex qui jamLustra sex qui jam
  61. 🔍 38% Te Joseph celebrentTe Joseph celebrent
  62. 🔍 38% Te IosephTe Ioseph
  63. 🔍 38% Hostis HerodesHostis Herodes
  64. 🔍 38% Te lucis ante terminum (Pentecost)Te lucis ante terminum (Pentecost)
  65. 🔍 38% Impleta gaudentImpleta gaudent