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