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% Requiem (Officium)Requiem (Officium)
  2. 🔍 59% Requiem (Intr.)Requiem (Intr.)
  3. 🔍 59% Requiem (Intr.)Requiem (Intr.)
  4. 🔍 50% Requiem (Intr.)Requiem (Intr.)
  5. 🔍 38% Requiem (Ant.)Requiem (Ant.)
  6. 🔍 37% RequiemRequiem
  7. 🔍 35% Laetentur omnesLaetentur omnes
  8. 🔍 33% Respice in meRespice in me
  9. 🔍 33% RequiemRequiem
  10. 🔍 32% Lux aeternaLux aeterna
  11. 🔍 32% Diffusa estDiffusa est
  12. 🔍 32% Beata es Virgo Maria Dei (Resp)Beata es Virgo Maria Dei (Resp)
  13. 🔍 31% In ecclesiisIn ecclesiis
  14. 🔍 31% RequiemRequiem
  15. 🔍 31% Requiem (simple)Requiem (simple)
  16. 🔍 30% ImitatoresImitatores
  17. 🔍 30% Miserere mei... secundumMiserere mei... secundum
  18. 🔍 30% Lux aeternaLux aeterna
  19. 🔍 29% Sacerdotes DeiSacerdotes Dei
  20. 🔍 29% Respice in meRespice in me
  21. 🔍 29% Electi meiElecti mei
  22. 🔍 28% Lux aeternaLux aeterna
  23. 🔍 28% Suscepimus DeusSuscepimus Deus
  24. 🔍 28% Venite exsultemus (pro defunc.)Venite exsultemus (pro defunc.)
  25. 🔍 28% Lux aeternaLux aeterna
  26. 🔍 28% Venite exsultemus DominoVenite exsultemus Domino
  27. 🔍 28% Honora DominumHonora Dominum
  28. 🔍 28% In nomine meoIn nomine meo
  29. 🔍 27% Principes persecuti suntPrincipes persecuti sunt
  30. 🔍 27% Respice in meRespice in me
  31. 🔍 27% Protector nosterProtector noster
  32. 🔍 27% Miserere (Ps 50)Miserere (Ps 50)
  33. 🔍 27% Memor estoMemor esto
  34. 🔍 27% Dicit Dominus EgoDicit Dominus Ego
  35. 🔍 26% Dicit Dominus SermonesDicit Dominus Sermones
  36. 🔍 26% Venite exultemus IV GVenite exultemus IV G
  37. 🔍 26% Inclina DomineInclina Domine
  38. 🔍 26% SederuntSederunt
  39. 🔍 26% Factum est in unaFactum est in una
  40. 🔍 26% Respice in meRespice in me
  41. 🔍 26% Ecce Dominus venietEcce Dominus veniet
  42. 🔍 26% Potum meumPotum meum
  43. 🔍 25% Ego quasi storaxEgo quasi storax
  44. 🔍 25% Cum invocarem teCum invocarem te
  45. 🔍 25% O castitatis signiferO castitatis signifer
  46. 🔍 25% Gloria VIIGloria VII
  47. 🔍 25% Te decet hymnusTe decet hymnus
  48. 🔍 25% Domine exaudi... et clamorDomine exaudi... et clamor
  49. 🔍 25% Deus virtutumDeus virtutum
  50. 🔍 25% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  51. 🔍 25% Inclina cor meumInclina cor meum
  52. 🔍 25% Dum novus hic MoysesDum novus hic Moyses
  53. 🔍 25% Sermo meusSermo meus
  54. 🔍 25% Jerusalem surge et exue teJerusalem surge et exue te
  55. 🔍 24% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  56. 🔍 24% Misereris omniumMisereris omnium
  57. 🔍 24% Justi epulenturJusti epulentur
  58. 🔍 24% Te decetTe decet
  59. 🔍 24% Christus semelChristus semel
  60. 🔍 24% Dum clamaremDum clamarem
  61. 🔍 24% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  62. 🔍 24% Exaudi Domine... tibiExaudi Domine... tibi
  63. 🔍 24% Praefatio solemnis de AngelisPraefatio solemnis de Angelis
  64. 🔍 24% In virtute tuaIn virtute tua
  65. 🔍 24% Exsultet iam angelicaExsultet iam angelica