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% MilitantisMilitantis
  2. 🔍 42% Agnetem caeli suscepitAgnetem caeli suscepit
  3. 🔍 38% Sertum gestansSertum gestans
  4. 🔍 38% Felix ThomasFelix Thomas
  5. 🔍 29% CollaeteturCollaetetur
  6. 🔍 29% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  7. 🔍 28% Gaude felix parensGaude felix parens
  8. 🔍 27% Auditui meoAuditui meo
  9. 🔍 26% Ave stellaAve stella
  10. 🔍 26% Exsultet mentisExsultet mentis
  11. 🔍 25% In hoc HyacinthiIn hoc Hyacinthi
  12. 🔍 25% Diadema spineumDiadema spineum
  13. 🔍 25% Vexilla Regis prodeuntVexilla Regis prodeunt
  14. 🔍 25% Jesu nostra redemptioJesu nostra redemptio
  15. 🔍 24% Quomodo fiet istudQuomodo fiet istud
  16. 🔍 24% Te lucis ante terminumTe lucis ante terminum
  17. 🔍 24% Summi Parentis FilioSummi Parentis Filio
  18. 🔍 23% Salve ReginaSalve Regina
  19. 🔍 23% Vox puraVox pura
  20. 🔍 23% Dies irae, ad Laudes Quid sum miser...Dies irae, ad Laudes Quid sum miser...
  21. 🔍 23% O virgo o doctorO virgo o doctor
  22. 🔍 23% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  23. 🔍 23% Dies iraeDies irae
  24. 🔍 22% Ave Regina caelorumAve Regina caelorum
  25. 🔍 22% InclytaInclyta
  26. 🔍 22% Lauda Mater... ThomaeLauda Mater... Thomae
  27. 🔍 22% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  28. 🔍 22% Diem novae laudisDiem novae laudis
  29. 🔍 22% O Sidus HispaniaeO Sidus Hispaniae
  30. 🔍 22% Dies iraeDies irae
  31. 🔍 22% Quid sumQuid sum
  32. 🔍 22% Cornelius centurioCornelius centurio
  33. 🔍 22% Salve Crux sanctaSalve Crux sancta
  34. 🔍 22% Salve ReginaSalve Regina
  35. 🔍 22% Audita est quasi voxAudita est quasi vox
  36. 🔍 22% Exsultet caelum (II)Exsultet caelum (II)
  37. 🔍 22% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  38. 🔍 21% Gaude felix materGaude felix mater
  39. 🔍 21% Candida VirginitasCandida Virginitas
  40. 🔍 21% Gaude Mater EcclesiaGaude Mater Ecclesia
  41. 🔍 21% Gloriosus Dei amicusGloriosus Dei amicus
  42. 🔍 21% Doctor egregie (I)Doctor egregie (I)
  43. 🔍 21% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  44. 🔍 21% Felix DominiciFelix Dominici
  45. 🔍 21% Hodiernae lux dieiHodiernae lux diei
  46. 🔍 21% Jesu dulcisJesu dulcis
  47. 🔍 21% Doctor egregie (II)Doctor egregie (II)
  48. 🔍 20% Vos estis lux mundiVos estis lux mundi
  49. 🔍 20% Gloria IIGloria II
  50. 🔍 20% O MartineO Martine
  51. 🔍 20% Adesto sancta TrinitasAdesto sancta Trinitas
  52. 🔍 20% Stetit PontifexStetit Pontifex
  53. 🔍 20% O doctor optimeO doctor optime
  54. 🔍 20% Adest... ThomaAdest... Thoma
  55. 🔍 20% Aurea luceAurea luce
  56. 🔍 20% Terribilis estTerribilis est
  57. 🔍 20% Magne PaterMagne Pater
  58. 🔍 20% Dies irae, Ad Officium Lectionis Heb. XXXIVDies irae, Ad Officium Lectionis Heb. XXXIV
  59. 🔍 20% O lumenO lumen
  60. 🔍 20% Exsultet caelum laudibus (modus 1)Exsultet caelum laudibus (modus 1)
  61. 🔍 20% Concede nobis DomineConcede nobis Domine
  62. 🔍 20% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  63. 🔍 20% Quicumque certumQuicumque certum
  64. 🔍 20% Adest dies laetitiae (Aquinas)Adest dies laetitiae (Aquinas)
  65. 🔍 20% Ave Regina caelorumAve Regina caelorum