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% Apostolorum passioApostolorum passio
  2. 🔍 90% Stephani primi martyrisStephani primi martyris
  3. 🔍 45% Excelsam PauliExcelsam Pauli
  4. 🔍 45% Exsultet caelum laudibusExsultet caelum laudibus
  5. 🔍 45% Excelsam Pauli gloriamExcelsam Pauli gloriam
  6. 🔍 43% Divina voxDivina vox
  7. 🔍 40% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  8. 🔍 40% Exsultet caelum laudibus (modus 1)Exsultet caelum laudibus (modus 1)
  9. 🔍 37% Iesu Salvator saeculiIesu Salvator saeculi
  10. 🔍 36% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  11. 🔍 35% Ave maris stellaAve maris stella
  12. 🔍 35% Adesto sancta TrinitasAdesto sancta Trinitas
  13. 🔍 33% Veni Creator SpiritusVeni Creator Spiritus
  14. 🔍 33% Sanctorum meritisSanctorum meritis
  15. 🔍 32% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 31% Optatus votisOptatus votis
  17. 🔍 31% Vexilla RegisVexilla Regis
  18. 🔍 31% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  19. 🔍 31% Agnes beatae virginisAgnes beatae virginis
  20. 🔍 29% Mysterium EcclesiaeMysterium Ecclesiae
  21. 🔍 29% Te lucis ante terminumTe lucis ante terminum
  22. 🔍 29% Vox puraVox pura
  23. 🔍 29% In hoc HyacinthiIn hoc Hyacinthi
  24. 🔍 28% Jesu nostra redemptioJesu nostra redemptio
  25. 🔍 28% Beate martyr, prosperaBeate martyr, prospera
  26. 🔍 27% Jam Christus astraJam Christus astra
  27. 🔍 27% Christe flos convalliumChriste flos convallium
  28. 🔍 27% Christum rogemusChristum rogemus
  29. 🔍 27% Post Petrum primumPost Petrum primum
  30. 🔍 26% Summi Parentis FilioSummi Parentis Filio
  31. 🔍 26% Illuminans AltissimusIlluminans Altissimus
  32. 🔍 26% Christi milesChristi miles
  33. 🔍 26% Decus sacratiDecus sacrati
  34. 🔍 26% Iesu nostra redemptioIesu nostra redemptio
  35. 🔍 25% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  36. 🔍 25% Optatus votis omniumOptatus votis omnium
  37. 🔍 25% Summi largitor praemiiSummi largitor praemii
  38. 🔍 25% Sancte PauleSancte Paule
  39. 🔍 25% Beata nobis gaudiaBeata nobis gaudia
  40. 🔍 25% Pange Lingua... ProeliumPange Lingua... Proelium
  41. 🔍 25% Apostolorum passio diemApostolorum passio diem
  42. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  43. 🔍 24% Apostolorum supparemApostolorum supparem
  44. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  45. 🔍 24% Pange lingua... proeliumPange lingua... proelium
  46. 🔍 24% Venite exsultemus IVVenite exsultemus IV
  47. 🔍 24% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  48. 🔍 24% Vexilla ChristusVexilla Christus
  49. 🔍 24% Implente munus debitumImplente munus debitum
  50. 🔍 23% Agathae sacraeAgathae sacrae
  51. 🔍 23% Pange lingua... LaureamPange lingua... Lauream
  52. 🔍 23% Cornelius centurioCornelius centurio
  53. 🔍 23% Judicii signumJudicii signum
  54. 🔍 23% Jesu dulcisJesu dulcis
  55. 🔍 23% Iesu corona virginumIesu corona virginum
  56. 🔍 23% Rerum Deus (In Festo S. Cordis Jesu)Rerum Deus (In Festo S. Cordis Jesu)
  57. 🔍 23% Hodiernae lux dieiHodiernae lux diei
  58. 🔍 23% Hymnum dicamus DominoHymnum dicamus Domino
  59. 🔍 23% Gloria XIIIGloria XIII
  60. 🔍 23% Quicumque certumQuicumque certum
  61. 🔍 23% Cor Jesu caritatis ICor Jesu caritatis I
  62. 🔍 23% En acetumEn acetum
  63. 🔍 23% Lustris sex qui jam peractisLustris sex qui jam peractis
  64. 🔍 23% Sacris SolemnisSacris Solemnis
  65. 🔍 23% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)