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% Credo VICredo VI
  2. 🔍 54% Credo in DeumCredo in Deum
  3. 🔍 51% Agnus XVIIAgnus XVII
  4. 🔍 50% Sicut ovisSicut ovis
  5. 🔍 49% Quem vidistisQuem vidistis
  6. 🔍 48% In salutariIn salutari
  7. 🔍 48% Regnum mundiRegnum mundi
  8. 🔍 48% Petite cum AlleluiaPetite cum Alleluia
  9. 🔍 47% Credo VCredo V
  10. 🔍 46% Petite sine AlleluiaPetite sine Alleluia
  11. 🔍 46% Ecce DeusEcce Deus
  12. 🔍 46% Memento nostriMemento nostri
  13. 🔍 45% Intende vociIntende voci
  14. 🔍 45% Tota pulchra es amica meaTota pulchra es amica mea
  15. 🔍 44% Ecce stoEcce sto
  16. 🔍 43% GaudeteGaudete
  17. 🔍 43% ConsummatusConsummatus
  18. 🔍 43% Sinite parvulosSinite parvulos
  19. 🔍 43% ExclamaveruntExclamaverunt
  20. 🔍 42% Sanctus XVIISanctus XVII
  21. 🔍 42% SenioresSeniores
  22. 🔍 42% Ex Sion speciesEx Sion species
  23. 🔍 42% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  24. 🔍 41% Laetare JerusalemLaetare Jerusalem
  25. 🔍 41% ExclamaveruntExclamaverunt
  26. 🔍 41% ExsurgeExsurge
  27. 🔍 41% Agnus Dei IXAgnus Dei IX
  28. 🔍 40% Hodie beata VirgoHodie beata Virgo
  29. 🔍 40% Deus in loco sanctoDeus in loco sancto
  30. 🔍 40% Venit SponsusVenit Sponsus
  31. 🔍 40% TenebraeTenebrae
  32. 🔍 40% Iam lucis orto sidereIam lucis orto sidere
  33. 🔍 39% Justorum animae (Off.)Justorum animae (Off.)
  34. 🔍 39% O crux splendidiorO crux splendidior
  35. 🔍 39% Credo ICredo I
  36. 🔍 39% Domine in lumineDomine in lumine
  37. 🔍 39% O sacrum conviviumO sacrum convivium
  38. 🔍 39% Ave Rex nosterAve Rex noster
  39. 🔍 38% BenedictaBenedicta
  40. 🔍 38% Ecce Crucem DominiEcce Crucem Domini
  41. 🔍 38% Credo ICredo I
  42. 🔍 38% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  43. 🔍 38% Benedicimus DeumBenedicimus Deum
  44. 🔍 37% Facta estFacta est
  45. 🔍 37% Immittet AngelusImmittet Angelus
  46. 🔍 37% TradideruntTradiderunt
  47. 🔍 37% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  48. 🔍 37% De ventre matrisDe ventre matris
  49. 🔍 37% Quem terra pontus sideraQuem terra pontus sidera
  50. 🔍 37% CaligaveruntCaligaverunt
  51. 🔍 36% Credo IICredo II
  52. 🔍 36% Ignem veniIgnem veni
  53. 🔍 36% Mihi absitMihi absit
  54. 🔍 36% Facta est cum AngeloFacta est cum Angelo
  55. 🔍 36% Credo IVCredo IV
  56. 🔍 36% A solis ortus cardineA solis ortus cardine
  57. 🔍 36% Misereris omniumMisereris omnium
  58. 🔍 36% Ecce vicit leoEcce vicit leo
  59. 🔍 36% Aestimatus sumAestimatus sum
  60. 🔍 36% Te Deum PatremTe Deum Patrem
  61. 🔍 36% Dominus dabitDominus dabit
  62. 🔍 36% Adoremus in aeternum IAdoremus in aeternum I
  63. 🔍 36% Cor meumCor meum
  64. 🔍 36% Credo ICredo I
  65. 🔍 36% Psallite DominoPsallite Domino