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% Sciant gentesSciant gentes
  2. 🔍 70% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  3. 🔍 64% Sciant gentesSciant gentes
  4. 🔍 48% Omnes gentes quascumque (Grad)Omnes gentes quascumque (Grad)
  5. 🔍 43% Sciant gentesSciant gentes
  6. 🔍 37% Sciant gentesSciant gentes
  7. 🔍 32% Sciant gentesSciant gentes
  8. 🔍 31% Miserere mei DeusMiserere mei Deus
  9. 🔍 30% AnnuntiateAnnuntiate
  10. 🔍 29% Custodi meCustodi me
  11. 🔍 28% Sacerdotes ejusSacerdotes ejus
  12. 🔍 28% Factus es spes meaFactus es spes mea
  13. 🔍 28% Tota formosaTota formosa
  14. 🔍 27% Ego dixi DomineEgo dixi Domine
  15. 🔍 27% Spera in DominoSpera in Domino
  16. 🔍 27% Exsurge... et intendeExsurge... et intende
  17. 🔍 27% Exsurge Domine DeusExsurge Domine Deus
  18. 🔍 26% Nunc ergoNunc ergo
  19. 🔍 26% Qui timetisQui timetis
  20. 🔍 25% AnnuntiateAnnuntiate
  21. 🔍 25% Veni sponsa ChristiVeni sponsa Christi
  22. 🔍 25% Tu gloria JerusalemTu gloria Jerusalem
  23. 🔍 24% Benedicite Dominum omnes AngeliBenedicite Dominum omnes Angeli
  24. 🔍 24% Si ambulemSi ambulem
  25. 🔍 24% Deus in nomine tuoDeus in nomine tuo
  26. 🔍 24% Misereris omniumMisereris omnium
  27. 🔍 24% Os justiOs justi
  28. 🔍 24% Tu gloriaTu gloria
  29. 🔍 24% Pontifex sacerdosPontifex sacerdos
  30. 🔍 24% Ego autemEgo autem
  31. 🔍 24% Surge DomineSurge Domine
  32. 🔍 24% Iubilate Deo universaIubilate Deo universa
  33. 🔍 24% Nunc dimittisNunc dimittis
  34. 🔍 23% Inflammatum estInflammatum est
  35. 🔍 23% Posuisti Domine (Off.)Posuisti Domine (Off.)
  36. 🔍 23% Si ambulemSi ambulem
  37. 🔍 23% Gloria IGloria I
  38. 🔍 23% Deus docuistiDeus docuisti
  39. 🔍 23% Super flumina (verses)Super flumina (verses)
  40. 🔍 23% ExsultavitExsultavit
  41. 🔍 23% Salvum fac servumSalvum fac servum
  42. 🔍 23% Tenuisti manumTenuisti manum
  43. 🔍 23% Sanctificavit (verses)Sanctificavit (verses)
  44. 🔍 23% Oravi Deum (verses)Oravi Deum (verses)
  45. 🔍 23% Domine exaudi... et clamorDomine exaudi... et clamor
  46. 🔍 23% MagnificatMagnificat
  47. 🔍 23% IlluminaIllumina
  48. 🔍 22% Dulcis et rectusDulcis et rectus
  49. 🔍 22% Deus in nomine tuoDeus in nomine tuo
  50. 🔍 22% Inveni DavidInveni David
  51. 🔍 22% DesideriumDesiderium
  52. 🔍 22% Exaltabo teExaltabo te
  53. 🔍 22% Ego diligentesEgo diligentes
  54. 🔍 22% Domine Deus... qui repertusDomine Deus... qui repertus
  55. 🔍 22% AmbulateAmbulate
  56. 🔍 22% AnnuntiateAnnuntiate
  57. 🔍 22% Testis mihi estTestis mihi est
  58. 🔍 22% Ego sumEgo sum
  59. 🔍 22% Oravi DeumOravi Deum
  60. 🔍 22% Confiteantur tibiConfiteantur tibi
  61. 🔍 22% Exsurge... et intendeExsurge... et intende
  62. 🔍 22% Ab ortu solisAb ortu solis
  63. 🔍 22% De profundisDe profundis
  64. 🔍 22% Domine ne longeDomine ne longe
  65. 🔍 22% Gloria XIGloria XI