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% Quasi arcusQuasi arcus
  2. 🔍 42% Quasi arcusQuasi arcus
  3. 🔍 27% Quae est ista quae progrediturQuae est ista quae progreditur
  4. 🔍 25% Si diligis meSi diligis me
  5. 🔍 23% AperiteAperite
  6. 🔍 23% Isti sunt qui veneruntIsti sunt qui venerunt
  7. 🔍 22% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  8. 🔍 21% Eram quasi agnusEram quasi agnus
  9. 🔍 20% Bonitas DominiBonitas Domini
  10. 🔍 20% Quasi stellaQuasi stella
  11. 🔍 20% Dico vobisDico vobis
  12. 🔍 20% Dum sanctificatusDum sanctificatus
  13. 🔍 20% Ecce vicit leoEcce vicit leo
  14. 🔍 20% SperaSpera
  15. 🔍 20% Ego quasi storaxEgo quasi storax
  16. 🔍 20% Fidelis servus (Com.)Fidelis servus (Com.)
  17. 🔍 20% Domus meaDomus mea
  18. 🔍 19% Beatus quicumqueBeatus quicumque
  19. 🔍 19% Domine Deus salutisDomine Deus salutis
  20. 🔍 19% SanctificavitSanctificavit
  21. 🔍 19% Sapientia reddiditSapientia reddidit
  22. 🔍 19% Deus misereaturDeus misereatur
  23. 🔍 19% Unam petii... Ut... visitemUnam petii... Ut... visitem
  24. 🔍 19% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  25. 🔍 19% Qui mihi ministratQui mihi ministrat
  26. 🔍 19% Loquetur DominusLoquetur Dominus
  27. 🔍 19% CognoveruntCognoverunt
  28. 🔍 19% Sanctus XVIISanctus XVII
  29. 🔍 19% Populum humilemPopulum humilem
  30. 🔍 18% Repleti sunt omnesRepleti sunt omnes
  31. 🔍 18% Hic est qui venitHic est qui venit
  32. 🔍 18% Venit SponsusVenit Sponsus
  33. 🔍 18% Si testimoniumSi testimonium
  34. 🔍 18% Beata esBeata es
  35. 🔍 18% Qui timent teQui timent te
  36. 🔍 18% Ecce sacerdosEcce sacerdos
  37. 🔍 18% Si quis sititSi quis sitit
  38. 🔍 18% Beata gensBeata gens
  39. 🔍 18% Salus populiSalus populi
  40. 🔍 18% Quasi palmaQuasi palma
  41. 🔍 18% Cibavit eos... AlleluiaCibavit eos... Alleluia
  42. 🔍 18% Animam meamAnimam meam
  43. 🔍 18% BenedictaBenedicta
  44. 🔍 18% Custodes hominumCustodes hominum
  45. 🔍 18% Jesum tradiditJesum tradidit
  46. 🔍 18% Gloriosus DeusGloriosus Deus
  47. 🔍 18% Propter veritatemPropter veritatem
  48. 🔍 18% StatuitStatuit
  49. 🔍 18% Quis sicut DominusQuis sicut Dominus
  50. 🔍 17% Sinite parvulosSinite parvulos
  51. 🔍 17% Hodie caelesti sponsoHodie caelesti sponso
  52. 🔍 17% Estote fortes in belloEstote fortes in bello
  53. 🔍 17% Gloria (ad lib.) II.Gloria (ad lib.) II.
  54. 🔍 17% CognoviCognovi
  55. 🔍 17% Ecce elongaviEcce elongavi
  56. 🔍 17% ImmolabitImmolabit
  57. 🔍 17% ImmolabitImmolabit
  58. 🔍 17% Quod chorusQuod chorus
  59. 🔍 17% Qui posuit finesQui posuit fines
  60. 🔍 17% Sancte PauleSancte Paule
  61. 🔍 17% ExsurgeExsurge
  62. 🔍 17% Erit vobisErit vobis
  63. 🔍 17% Regina caeliRegina caeli
  64. 🔍 17% Christe qui splendor (in festis)Christe qui splendor (in festis)
  65. 🔍 17% Confitebor tibi... in totoConfitebor tibi... in toto