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% Felix ThomasFelix Thomas
  2. 🔍 41% Gaude felix materGaude felix mater
  3. 🔍 38% Sertum gestansSertum gestans
  4. 🔍 38% MilitantisMilitantis
  5. 🔍 34% Gaude felix parensGaude felix parens
  6. 🔍 33% Adest... ThomaAdest... Thoma
  7. 🔍 31% Candida VirginitasCandida Virginitas
  8. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  9. 🔍 31% Aeterno RegiAeterno Regi
  10. 🔍 30% Pie PaterPie Pater
  11. 🔍 30% Vexilla Regis prodeuntVexilla Regis prodeunt
  12. 🔍 30% Felix DominiciFelix Dominici
  13. 🔍 30% O doctor optimeO doctor optime
  14. 🔍 29% Exsultet mentisExsultet mentis
  15. 🔍 29% Pie pastorPie pastor
  16. 🔍 29% Jesu nostra redemptioJesu nostra redemptio
  17. 🔍 29% Beata nobis gaudiaBeata nobis gaudia
  18. 🔍 28% CollaeteturCollaetetur
  19. 🔍 28% Beata nobis gaudiaBeata nobis gaudia
  20. 🔍 28% Adest... diademaAdest... diadema
  21. 🔍 28% Adest dies laetitiaeAdest dies laetitiae
  22. 🔍 28% Te saeculorum PrincipemTe saeculorum Principem
  23. 🔍 28% Gaude Mater EcclesiaGaude Mater Ecclesia
  24. 🔍 27% Deus tuorum militumDeus tuorum militum
  25. 🔍 27% Benedicamus Domino (III classis ad Laudes)Benedicamus Domino (III classis ad Laudes)
  26. 🔍 27% Iesu Salvator saeculiIesu Salvator saeculi
  27. 🔍 26% Adest... beatusAdest... beatus
  28. 🔍 26% ConfitebunturConfitebuntur
  29. 🔍 26% Hodiernae lux dieiHodiernae lux diei
  30. 🔍 26% Quomodo fiet istudQuomodo fiet istud
  31. 🔍 26% Summi Parentis FilioSummi Parentis Filio
  32. 🔍 26% Te saeculorum PrincipemTe saeculorum Principem
  33. 🔍 26% Christe flos convalliumChriste flos convallium
  34. 🔍 26% Hymnum novaeHymnum novae
  35. 🔍 25% O quam felixO quam felix
  36. 🔍 25% Lux perpetuaLux perpetua
  37. 🔍 25% Gloriosus Dei amicusGloriosus Dei amicus
  38. 🔍 25% Amor Jesu dulcissimeAmor Jesu dulcissime
  39. 🔍 25% Beate martyr, prosperaBeate martyr, prospera
  40. 🔍 25% Gratias tibi DeusGratias tibi Deus
  41. 🔍 25% Te lucis ante terminumTe lucis ante terminum
  42. 🔍 25% Vox puraVox pura
  43. 🔍 25% Martyr Dei (I)Martyr Dei (I)
  44. 🔍 25% In hoc HyacinthiIn hoc Hyacinthi
  45. 🔍 25% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  46. 🔍 25% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  47. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  48. 🔍 24% Stetit PontifexStetit Pontifex
  49. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  50. 🔍 24% Felix namque esFelix namque es
  51. 🔍 24% Beata nobisBeata nobis
  52. 🔍 24% VerumtamenVerumtamen
  53. 🔍 24% Quicumque certumQuicumque certum
  54. 🔍 24% Ave stellaAve stella
  55. 🔍 24% Adest dies laetitiae (Aquinas)Adest dies laetitiae (Aquinas)
  56. 🔍 24% Magne PaterMagne Pater
  57. 🔍 24% Felix namque esFelix namque es
  58. 🔍 24% Jesu dulcisJesu dulcis
  59. 🔍 24% O virgo o doctorO virgo o doctor
  60. 🔍 24% RaymundusRaymundus
  61. 🔍 23% SustinuimusSustinuimus
  62. 🔍 23% Quicumque ChristumQuicumque Christum
  63. 🔍 23% CollaudeturCollaudetur
  64. 🔍 23% O salutaris Hostia IIIO salutaris Hostia III
  65. 🔍 23% Montes GelboeMontes Gelboe