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% Ave Regina caelorumAve Regina caelorum
  2. 🔍 60% Ave Regina... MaterAve Regina... Mater
  3. 🔍 48% Ave Regina caelorumAve Regina caelorum
  4. 🔍 33% Vexilla Regis prodeuntVexilla Regis prodeunt
  5. 🔍 32% Te lucis ante terminumTe lucis ante terminum
  6. 🔍 31% Salve radix sanctaSalve radix sancta
  7. 🔍 31% Ave Regina caelorumAve Regina caelorum
  8. 🔍 31% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  9. 🔍 31% Salve ReginaSalve Regina
  10. 🔍 31% Hodiernae lux dieiHodiernae lux diei
  11. 🔍 30% Ave Regina CaelorumAve Regina Caelorum
  12. 🔍 30% Ave MaterAve Mater
  13. 🔍 30% Vox puraVox pura
  14. 🔍 30% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  15. 🔍 30% Salve ReginaSalve Regina
  16. 🔍 30% Ave stellaAve stella
  17. 🔍 30% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  18. 🔍 30% Virgo clemensVirgo clemens
  19. 🔍 30% In hoc HyacinthiIn hoc Hyacinthi
  20. 🔍 30% Ave Regina caelorumAve Regina caelorum
  21. 🔍 29% Ave Regina caelorumAve Regina caelorum
  22. 🔍 29% CollaeteturCollaetetur
  23. 🔍 29% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  24. 🔍 29% Summi Parentis FilioSummi Parentis Filio
  25. 🔍 29% Christe sanctorumChriste sanctorum
  26. 🔍 28% O quantum in CruceO quantum in Cruce
  27. 🔍 28% Jesu nostra redemptioJesu nostra redemptio
  28. 🔍 28% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  29. 🔍 28% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  30. 🔍 27% Sertum gestansSertum gestans
  31. 🔍 27% Ave Regina caelorumAve Regina caelorum
  32. 🔍 27% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  33. 🔍 27% Regina mundiRegina mundi
  34. 🔍 26% Quicumque certumQuicumque certum
  35. 🔍 26% Decora lux aeternitatisDecora lux aeternitatis
  36. 🔍 26% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  37. 🔍 26% Ad Virginem Dei MatremAd Virginem Dei Matrem
  38. 🔍 26% Salve Regina (monasticum)Salve Regina (monasticum)
  39. 🔍 26% Lux perpetuaLux perpetua
  40. 🔍 26% Crux fidelisCrux fidelis
  41. 🔍 26% O Virgo pulcherrimaO Virgo pulcherrima
  42. 🔍 26% Tristes erant ApostoliTristes erant Apostoli
  43. 🔍 26% Sapientia hujusSapientia hujus
  44. 🔍 26% Noe vero cumNoe vero cum
  45. 🔍 26% Credo IVCredo IV
  46. 🔍 26% Martyr Dei (I)Martyr Dei (I)
  47. 🔍 26% Virginis proles (I)Virginis proles (I)
  48. 🔍 25% Exsultet caelum (II)Exsultet caelum (II)
  49. 🔍 25% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  50. 🔍 25% O rex aeterne DomineO rex aeterne Domine
  51. 🔍 25% In Deo speravitIn Deo speravit
  52. 🔍 25% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  53. 🔍 25% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  54. 🔍 25% Regina mundiRegina mundi
  55. 🔍 25% Decora lux aeternitatisDecora lux aeternitatis
  56. 🔍 25% Omnes GentesOmnes Gentes
  57. 🔍 25% O Maria rubens rosaO Maria rubens rosa
  58. 🔍 25% Ave lumenAve lumen
  59. 🔍 25% Diadema spineumDiadema spineum
  60. 🔍 25% Alleluia Omnes GentesAlleluia Omnes Gentes
  61. 🔍 25% Regina mundiRegina mundi
  62. 🔍 25% Iste confessor (I)Iste confessor (I)
  63. 🔍 25% Flos virginumFlos virginum
  64. 🔍 25% Isti sunt duae olivaeIsti sunt duae olivae
  65. 🔍 25% Deus tuorum militumDeus tuorum militum