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% Deus Creator omniumDeus Creator omnium
  2. 🔍 47% Deus creator omniumDeus creator omnium
  3. 🔍 40% Conditor alme siderumConditor alme siderum
  4. 🔍 37% Lucis Creator optimeLucis Creator optime
  5. 🔍 36% Aeterne rerum ConditorAeterne rerum Conditor
  6. 🔍 34% Splendor Paternae gloriaeSplendor Paternae gloriae
  7. 🔍 33% Verbum supernum prodiens aVerbum supernum prodiens a
  8. 🔍 33% Rector potens verax Deus (1)Rector potens verax Deus (1)
  9. 🔍 33% Ecce iam noctisEcce iam noctis
  10. 🔍 32% Te lucis ante terminum (In Festis et Officiis iij. Lect., in Feriis T. P.)Te lucis ante terminum (In Festis et Officiis iij. Lect., in Feriis T. P.)
  11. 🔍 32% Rector potens verax Deus (3)Rector potens verax Deus (3)
  12. 🔍 31% Rerum Deus (3)Rerum Deus (3)
  13. 🔍 31% Rector potens verax Deus (4)Rector potens verax Deus (4)
  14. 🔍 31% Rector potens verax Deus (2)Rector potens verax Deus (2)
  15. 🔍 31% Rerum Deus (1)Rerum Deus (1)
  16. 🔍 31% Rerum Deus (2)Rerum Deus (2)
  17. 🔍 31% Nocte surgentesNocte surgentes
  18. 🔍 29% Rerum Deus (4)Rerum Deus (4)
  19. 🔍 28% Te lucis ante terminum (In Feriis per Annum)Te lucis ante terminum (In Feriis per Annum)
  20. 🔍 26% Nunc sancte nobis Spiritus (1)Nunc sancte nobis Spiritus (1)
  21. 🔍 26% Vox claraVox clara
  22. 🔍 25% Nunc sancte nobis Spiritus (3)Nunc sancte nobis Spiritus (3)
  23. 🔍 25% Creator omnium DeusCreator omnium Deus
  24. 🔍 25% Nunc sancte nobis Spiritus (4)Nunc sancte nobis Spiritus (4)
  25. 🔍 25% Nunc sancte nobis Spiritus (2)Nunc sancte nobis Spiritus (2)
  26. 🔍 23% Jam lucis orto (In Feriis per Annum)Jam lucis orto (In Feriis per Annum)
  27. 🔍 23% Salvete flores MartyrumSalvete flores Martyrum
  28. 🔍 23% Iesu nostra redemptioIesu nostra redemptio
  29. 🔍 22% Aeterna Christi muneraAeterna Christi munera
  30. 🔍 21% Jam lucis orto (In Festis MM. min., Dominicis...)Jam lucis orto (In Festis MM. min., Dominicis...)
  31. 🔍 21% Jam lucis orto (In Festis et Officiis iij. Lectionum, in Feriis T. P.)Jam lucis orto (In Festis et Officiis iij. Lectionum, in Feriis T. P.)
  32. 🔍 21% Veni Creator SpiritusVeni Creator Spiritus
  33. 🔍 21% Veni Creator SpiritusVeni Creator Spiritus
  34. 🔍 20% Veni Creator SpiritusVeni Creator Spiritus
  35. 🔍 20% Deus creator omniumDeus creator omnium
  36. 🔍 20% Veni Creator SpiritusVeni Creator Spiritus
  37. 🔍 20% O sola magnarum urbiumO sola magnarum urbium
  38. 🔍 20% Deus creator omniumDeus creator omnium
  39. 🔍 19% A solis ortus cardineA solis ortus cardine
  40. 🔍 19% Veni Creator SpiritusVeni Creator Spiritus
  41. 🔍 19% Audit tyrannus anxiusAudit tyrannus anxius
  42. 🔍 18% Rector potens (In Epiphania Domini)Rector potens (In Epiphania Domini)
  43. 🔍 18% O lux beata TrinitasO lux beata Trinitas
  44. 🔍 18% A solis ortusA solis ortus
  45. 🔍 18% Rector Potens (In Nativitate Domini)Rector Potens (In Nativitate Domini)
  46. 🔍 18% Hostis Herodes impieHostis Herodes impie
  47. 🔍 18% Rector potens (In Tempore Ascensionis)Rector potens (In Tempore Ascensionis)
  48. 🔍 18% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  49. 🔍 18% Rector potens (in Feriis per Annum)Rector potens (in Feriis per Annum)
  50. 🔍 17% Ave Regis AngelorumAve Regis Angelorum
  51. 🔍 17% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  52. 🔍 17% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  53. 🔍 17% Quicumque Christum quaeritisQuicumque Christum quaeritis
  54. 🔍 17% Rector potens (In Tempore Paschali)Rector potens (In Tempore Paschali)
  55. 🔍 17% Creator alme siderumCreator alme siderum
  56. 🔍 17% Quem terra pontus aetheraQuem terra pontus aethera
  57. 🔍 17% Veni Creator SpiritusVeni Creator Spiritus
  58. 🔍 17% Rector potens (Tempus Nativitatis)Rector potens (Tempus Nativitatis)
  59. 🔍 17% De manu omniumDe manu omnium
  60. 🔍 17% Summi largitor praemiiSummi largitor praemii
  61. 🔍 17% Deus qui caeli lumen esDeus qui caeli lumen es
  62. 🔍 17% Lectio Isaiae Prophetae... Haec dicit DominusLectio Isaiae Prophetae... Haec dicit Dominus
  63. 🔍 17% Deus de nullo veniensDeus de nullo veniens
  64. 🔍 17% Rector potens (In Festo S. Cordis Jesu)Rector potens (In Festo S. Cordis Jesu)
  65. 🔍 17% Audi benigne ConditorAudi benigne Conditor