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% A solis ortuA solis ortu
  2. 🔍 77% A solis ortuA solis ortu
  3. 🔍 62% A solis ortuA solis ortu
  4. 🔍 58% A solis ortuA solis ortu
  5. 🔍 57% A solis ortuA solis ortu
  6. 🔍 43% A solis ortuA solis ortu
  7. 🔍 42% A solis ortu usque ad occasumA solis ortu usque ad occasum
  8. 🔍 35% Regnavit DominusRegnavit Dominus
  9. 🔍 34% Deo nostroDeo nostro
  10. 🔍 33% Benedicite gentesBenedicite gentes
  11. 🔍 33% Hymnum diciteHymnum dicite
  12. 🔍 29% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  13. 🔍 29% Benedictus es in firmamentoBenedictus es in firmamento
  14. 🔍 28% In conspectu AngelorumIn conspectu Angelorum
  15. 🔍 28% Sit nomen DominiSit nomen Domini
  16. 🔍 27% Vigilate animoVigilate animo
  17. 🔍 27% Veni ad liberandumVeni ad liberandum
  18. 🔍 26% Exaltabo te DomineExaltabo te Domine
  19. 🔍 26% Ecce veniet desideratusEcce veniet desideratus
  20. 🔍 26% Paratus esto IsraelParatus esto Israel
  21. 🔍 26% Facta est IudaeaFacta est Iudaea
  22. 🔍 26% Ex AEgyptoEx AEgypto
  23. 🔍 26% Exsurge Domine salvumExsurge Domine salvum
  24. 🔍 26% Surrexit ChristusSurrexit Christus
  25. 🔍 26% Gaudete in DominoGaudete in Domino
  26. 🔍 25% Ecce apparebitEcce apparebit
  27. 🔍 25% Suscepit DeusSuscepit Deus
  28. 🔍 25% Ecce veniet Deus et homoEcce veniet Deus et homo
  29. 🔍 25% Egredietur DominusEgredietur Dominus
  30. 🔍 25% De caelo venietDe caelo veniet
  31. 🔍 25% Exaudiat te DominusExaudiat te Dominus
  32. 🔍 25% Deus a LibanoDeus a Libano
  33. 🔍 25% Ad te DomineAd te Domine
  34. 🔍 25% Sitivit anima meaSitivit anima mea
  35. 🔍 25% Veni Domine et noli (Ant.)Veni Domine et noli (Ant.)
  36. 🔍 24% Consolamini consolaminiConsolamini consolamini
  37. 🔍 24% Laus Deo PatriLaus Deo Patri
  38. 🔍 24% Commune vos apostoliCommune vos apostoli
  39. 🔍 24% Ecce veniet Dominus princepsEcce veniet Dominus princeps
  40. 🔍 24% Tres pueriTres pueri
  41. 🔍 24% Sancta Maria succurreSancta Maria succurre
  42. 🔍 24% Captator olim pisciumCaptator olim piscium
  43. 🔍 24% Domine in virtuteDomine in virtute
  44. 🔍 24% Dicite pusillanimesDicite pusillanimes
  45. 🔍 24% De Sion veniet qui regnaturusDe Sion veniet qui regnaturus
  46. 🔍 24% Spiritus Domini super meSpiritus Domini super me
  47. 🔍 24% Lauda JerusalemLauda Jerusalem
  48. 🔍 24% Convocatis Jesus duodecim ApostolisConvocatis Jesus duodecim Apostolis
  49. 🔍 24% Ecce nomen Domini venitEcce nomen Domini venit
  50. 🔍 24% A solis ortu (Resp.)A solis ortu (Resp.)
  51. 🔍 24% Ecce in nubibusEcce in nubibus
  52. 🔍 24% Ecce Dominus noster... ut illuminetEcce Dominus noster... ut illuminet
  53. 🔍 24% Ego dormiviEgo dormivi
  54. 🔍 24% Christe Fili Dei viviChriste Fili Dei vivi
  55. 🔍 24% Ego autem ad DominumEgo autem ad Dominum
  56. 🔍 23% Laudamus nomen tuum (T.P.))Laudamus nomen tuum (T.P.))
  57. 🔍 23% Nolite timereNolite timere
  58. 🔍 23% Ne reminiscarisNe reminiscaris
  59. 🔍 23% Ut cognoscamusUt cognoscamus
  60. 🔍 23% Veniet Dominus et nonVeniet Dominus et non
  61. 🔍 23% Ostende nobis DomineOstende nobis Domine
  62. 🔍 23% Sion noli timereSion noli timere
  63. 🔍 23% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  64. 🔍 23% Commune vos apostoliCommune vos apostoli
  65. 🔍 23% Erunt pravaErunt prava