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% Exspectate promissum PatrisExspectate promissum Patris
  2. 🔍 61% Exspectate promissumExspectate promissum
  3. 🔍 33% Audi benigneAudi benigne
  4. 🔍 32% Audi benigne ConditorAudi benigne Conditor
  5. 🔍 32% Gloria VGloria V
  6. 🔍 31% Audi benigne conditorAudi benigne conditor
  7. 🔍 31% Audi Benigne ConditorAudi Benigne Conditor
  8. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  9. 🔍 30% Audi benigne Conditor Audi benigne Conditor
  10. 🔍 30% Gloria IIIGloria III
  11. 🔍 30% Audi benigne ConditorAudi benigne Conditor
  12. 🔍 30% Audi benigne ConditorAudi benigne Conditor
  13. 🔍 30% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  14. 🔍 30% Gloria XIGloria XI
  15. 🔍 29% Tollite iugum meumTollite iugum meum
  16. 🔍 29% Ego baptizavi vosEgo baptizavi vos
  17. 🔍 29% Pater sanctePater sancte
  18. 🔍 29% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  19. 🔍 28% Si manseritis in meSi manseritis in me
  20. 🔍 28% O gente felix hospitaO gente felix hospita
  21. 🔍 28% Verbum supernum prodiens aVerbum supernum prodiens a
  22. 🔍 27% Ego sum resurrectioEgo sum resurrectio
  23. 🔍 27% Verbum supernum prodiens a Verbum supernum prodiens a
  24. 🔍 27% Aeterne Rex altissimeAeterne Rex altissime
  25. 🔍 27% Rector potens (In Adventu)Rector potens (In Adventu)
  26. 🔍 27% Rector potens (In Adventu)Rector potens (In Adventu)
  27. 🔍 27% O Rex gloriaeO Rex gloriae
  28. 🔍 26% Miserere (Ps 50)Miserere (Ps 50)
  29. 🔍 26% Vos estis qui permansistisVos estis qui permansistis
  30. 🔍 26% O Rex gloriaeO Rex gloriae
  31. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  33. 🔍 26% Audientes autemAudientes autem
  34. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 26% ExaudivitExaudivit
  36. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  37. 🔍 26% Te DeumTe Deum
  38. 🔍 26% En ut superba criminumEn ut superba criminum
  39. 🔍 26% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  40. 🔍 25% Ioannes autemIoannes autem
  41. 🔍 25% Te CatharinaTe Catharina
  42. 🔍 25% Dei fideDei fide
  43. 🔍 25% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  44. 🔍 25% Christe caelorum DomineChriste caelorum Domine
  45. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  46. 🔍 25% Super omniaSuper omnia
  47. 🔍 25% Te DeumTe Deum
  48. 🔍 25% Verbum supernum prodiensVerbum supernum prodiens
  49. 🔍 25% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  50. 🔍 25% Ista estIsta est
  51. 🔍 25% Cum autem complacuitCum autem complacuit
  52. 🔍 25% Te DeumTe Deum
  53. 🔍 25% Aeterne sol qui lumineAeterne sol qui lumine
  54. 🔍 25% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  55. 🔍 25% Cor arca legem continensCor arca legem continens
  56. 🔍 24% Tu es qui venturus esTu es qui venturus es
  57. 🔍 24% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  58. 🔍 24% Credo VIICredo VII
  59. 🔍 24% Qua Christus hora sitiitQua Christus hora sitiit
  60. 🔍 24% Auctor salutisAuctor salutis
  61. 🔍 24% Tibi Christe splendor PatrisTibi Christe splendor Patris
  62. 🔍 24% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  63. 🔍 24% Rector potens (In Tempore Passionis)Rector potens (In Tempore Passionis)
  64. 🔍 24% Summae Deus clementiae septemSummae Deus clementiae septem
  65. 🔍 24% O Rex gloriaeO Rex gloriae