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% De ore leonisDe ore leonis
  2. 🔍 74% De ore leonisDe ore leonis
  3. 🔍 63% DefeceruntDefecerunt
  4. 🔍 62% Fasciculus myrrhaeFasciculus myrrhae
  5. 🔍 53% De ore leonisDe ore leonis
  6. 🔍 50% De ore leonis (in Feriis)De ore leonis (in Feriis)
  7. 🔍 48% Erue a frameaErue a framea
  8. 🔍 43% De ore leonisDe ore leonis
  9. 🔍 35% De ore leonisDe ore leonis
  10. 🔍 34% Vir Dei BenedictusVir Dei Benedictus
  11. 🔍 30% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  12. 🔍 30% Laetare caelum desuperLaetare caelum desuper
  13. 🔍 30% Aurora caelum (Alter tonus)Aurora caelum (Alter tonus)
  14. 🔍 29% Te Deum (Solemn tone)Te Deum (Solemn tone)
  15. 🔍 27% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  16. 🔍 27% IntroiboIntroibo
  17. 🔍 27% Stabat sancta Maria (sorrowful tone)Stabat sancta Maria (sorrowful tone)
  18. 🔍 27% De ore leonis libera me (Resp.)De ore leonis libera me (Resp.)
  19. 🔍 26% Exsultabo et laetaborExsultabo et laetabor
  20. 🔍 26% Miserere mei... secundumMiserere mei... secundum
  21. 🔍 26% Domine ne longeDomine ne longe
  22. 🔍 26% Dignus est AgnusDignus est Agnus
  23. 🔍 26% Nunc ergoNunc ergo
  24. 🔍 26% Rex sempiterne coelitumRex sempiterne coelitum
  25. 🔍 25% Beata AgathaBeata Agatha
  26. 🔍 25% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  27. 🔍 25% Ipse me coronavitIpse me coronavit
  28. 🔍 25% Ipse me coronavit (Resp.)Ipse me coronavit (Resp.)
  29. 🔍 25% Redemisti nosRedemisti nos
  30. 🔍 24% Domine ne longeDomine ne longe
  31. 🔍 24% Dominus qui eripuit meDominus qui eripuit me
  32. 🔍 24% Beatus vir cujusBeatus vir cujus
  33. 🔍 24% Sicut oculiSicut oculi
  34. 🔍 24% MagnificatMagnificat
  35. 🔍 24% Ad regias Agni dapes (another chant)Ad regias Agni dapes (another chant)
  36. 🔍 24% Erue a frameaErue a framea
  37. 🔍 24% NoliteNolite
  38. 🔍 23% Rector potens (In Dominicis per Annum)Rector potens (In Dominicis per Annum)
  39. 🔍 23% Velociter exaudi meVelociter exaudi me
  40. 🔍 23% Factus esFactus es
  41. 🔍 23% Rector potens verax Deus (in Dom. et Minor. Festis)Rector potens verax Deus (in Dom. et Minor. Festis)
  42. 🔍 23% NoliteNolite
  43. 🔍 23% Gloria LausGloria Laus
  44. 🔍 23% Domine, ne longeDomine, ne longe
  45. 🔍 23% DilexistiDilexisti
  46. 🔍 23% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  47. 🔍 23% Dominus qui eripuit meDominus qui eripuit me
  48. 🔍 23% Redime me DomineRedime me Domine
  49. 🔍 23% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  50. 🔍 22% Gustate... TimeteGustate... Timete
  51. 🔍 22% Ego dixi, Domine (Tonus simplex)Ego dixi, Domine (Tonus simplex)
  52. 🔍 22% Te lucis ante terminum (In Dominicis per Annum)Te lucis ante terminum (In Dominicis per Annum)
  53. 🔍 22% Isti sunt qui viventesIsti sunt qui viventes
  54. 🔍 22% Inclina cor meumInclina cor meum
  55. 🔍 22% Domine si conversusDomine si conversus
  56. 🔍 22% Doceam iniquos vias tuasDoceam iniquos vias tuas
  57. 🔍 22% Redime me DomineRedime me Domine
  58. 🔍 22% Meum est consiliumMeum est consilium
  59. 🔍 22% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  60. 🔍 22% Sicut oculiSicut oculi
  61. 🔍 22% Miserere mihiMiserere mihi
  62. 🔍 22% Praeparate corda vestraPraeparate corda vestra
  63. 🔍 22% AnnuntiateAnnuntiate
  64. 🔍 22% Ardens est cor meumArdens est cor meum
  65. 🔍 22% Redemisti nos Domine (Intr)Redemisti nos Domine (Intr)