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 lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  2. 🔍 78% Cor arca legem continensCor arca legem continens
  3. 🔍 78% En ut superbaEn ut superba
  4. 🔍 76% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)
  5. 🔍 76% Rerum deus tenax vigor (In Festo S. Cordis Jesu)Rerum deus tenax vigor (In Festo S. Cordis Jesu)
  6. 🔍 75% Nunc Sancte nobis (In Festo S. Cordis Jesu)Nunc Sancte nobis (In Festo S. Cordis Jesu)
  7. 🔍 75% Te lucis ante terminum (Sacred Heart)Te lucis ante terminum (Sacred Heart)
  8. 🔍 65% Salvete, Christi vulneraSalvete, Christi vulnera
  9. 🔍 62% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  10. 🔍 60% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  11. 🔍 57% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  12. 🔍 55% Iam lucis orto sidere Iam lucis orto sidere
  13. 🔍 54% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  14. 🔍 54% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  15. 🔍 54% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  16. 🔍 52% Cor arca legem continensCor arca legem continens
  17. 🔍 52% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  18. 🔍 52% En ut superba criminumEn ut superba criminum
  19. 🔍 52% Jesu auctor clementiaeJesu auctor clementiae
  20. 🔍 50% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  21. 🔍 49% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  22. 🔍 48% Jam lucis orto sidere (ord. Sund.)Jam lucis orto sidere (ord. Sund.)
  23. 🔍 48% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  24. 🔍 48% Jam lucis orto sidere (Solemn feasts)Jam lucis orto sidere (Solemn feasts)
  25. 🔍 48% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  26. 🔍 48% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  27. 🔍 47% Jam lucis orto sidere (In Major. Festis)Jam lucis orto sidere (In Major. Festis)
  28. 🔍 47% Lux alma JesuLux alma Jesu
  29. 🔍 47% Jam lucis orto sidere (In Dom. et Minor. Festis)Jam lucis orto sidere (In Dom. et Minor. Festis)
  30. 🔍 47% Jam lucis orto sidere (In Feriis et Fest. Simpl.)Jam lucis orto sidere (In Feriis et Fest. Simpl.)
  31. 🔍 46% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  32. 🔍 46% Jam lucis orto sidere (In Adventu)Jam lucis orto sidere (In Adventu)
  33. 🔍 46% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)
  34. 🔍 45% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  35. 🔍 45% Jam lucis orto sidere (In Epiphania Domini)Jam lucis orto sidere (In Epiphania Domini)
  36. 🔍 44% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  37. 🔍 43% Magno receptans pectoreMagno receptans pectore
  38. 🔍 43% Veni Creator SpiritusVeni Creator Spiritus
  39. 🔍 42% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  40. 🔍 42% Auctor beate saeculiAuctor beate saeculi
  41. 🔍 42% Jam lucis orto sidere (Solemnitatibus)Jam lucis orto sidere (Solemnitatibus)
  42. 🔍 42% Jam lucis orto sidere (In Pentecoste)Jam lucis orto sidere (In Pentecoste)
  43. 🔍 41% Aeterne Rex altissimeAeterne Rex altissime
  44. 🔍 41% Jam lucis orto sidere (In Tempore Ascensionis)Jam lucis orto sidere (In Tempore Ascensionis)
  45. 🔍 41% Jam lucis orto sidere (Tempore Epiphaniae)Jam lucis orto sidere (Tempore Epiphaniae)
  46. 🔍 41% Martine par ApostolisMartine par Apostolis
  47. 🔍 41% Fortem piumqueFortem piumque
  48. 🔍 40% Deus tuorum militum (Alter tonus)Deus tuorum militum (Alter tonus)
  49. 🔍 40% Jam lucis orto sidere (In Tempore Paschali)Jam lucis orto sidere (In Tempore Paschali)
  50. 🔍 40% Deus tuorum militum (another chant)Deus tuorum militum (another chant)
  51. 🔍 40% Jam lucis orto sidere (In Tempore Paschali)Jam lucis orto sidere (In Tempore Paschali)
  52. 🔍 39% Jam lucis orto sidere (In tempore Paschali)Jam lucis orto sidere (In tempore Paschali)
  53. 🔍 39% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  54. 🔍 39% Quem terra pontus sideraQuem terra pontus sidera
  55. 🔍 39% Jesu dulcis amorJesu dulcis amor
  56. 🔍 39% Audi benigneAudi benigne
  57. 🔍 39% Auctor beate saeculiAuctor beate saeculi
  58. 🔍 39% Jam Christus astraJam Christus astra
  59. 🔍 39% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  60. 🔍 38% A solis ortus cardineA solis ortus cardine
  61. 🔍 38% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  62. 🔍 38% Jam Christus astraJam Christus astra
  63. 🔍 38% Audi benigne ConditorAudi benigne Conditor
  64. 🔍 38% En ut superbaEn ut superba
  65. 🔍 37% Aeterne Rex altissimeAeterne Rex altissime