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% Ave Rex noster!Ave Rex noster!
  2. 🔍 40% Gloria Missa RegiaGloria Missa Regia
  3. 🔍 40% Gloria Missa RegiaGloria Missa Regia
  4. 🔍 39% Gloria (Missa Regia I)Gloria (Missa Regia I)
  5. 🔍 39% Totus formosus!Totus formosus!
  6. 🔍 37% Paschalis admirabilisPaschalis admirabilis
  7. 🔍 37% Aeterne rerum ConditorAeterne rerum Conditor
  8. 🔍 36% Aeterne rerum conditorAeterne rerum conditor
  9. 🔍 36% Aeterne rerum Conditor (Dox£. Deo Patri)Aeterne rerum Conditor (Dox£. Deo Patri)
  10. 🔍 36% Parce DomineParce Domine
  11. 🔍 35% LaetabundusLaetabundus
  12. 🔍 35% Stabat Mater speciosa!Stabat Mater speciosa!
  13. 🔍 35% Misericordias DominiMisericordias Domini
  14. 🔍 35% Credo I.Credo I.
  15. 🔍 35% Stabat Mater (simple)Stabat Mater (simple)
  16. 🔍 35% Aeterne rerum ConditorAeterne rerum Conditor
  17. 🔍 35% InviolataInviolata
  18. 🔍 35% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  19. 🔍 34% Aeterne rerum ... noctemAeterne rerum ... noctem
  20. 🔍 34% Ad honorem SalvatorisAd honorem Salvatoris
  21. 🔍 34% Ave verumAve verum
  22. 🔍 34% Ave verumAve verum
  23. 🔍 34% Jesu paterni pectorisJesu paterni pectoris
  24. 🔍 34% Anima Christi IIIAnima Christi III
  25. 🔍 34% Olim mundo minoratusOlim mundo minoratus
  26. 🔍 34% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  27. 🔍 34% O Maria, gratia plenaO Maria, gratia plena
  28. 🔍 33% Credo (Missa Regia I)Credo (Missa Regia I)
  29. 🔍 33% Domine Jesu ChristeDomine Jesu Christe
  30. 🔍 33% InviolataInviolata
  31. 🔍 32% Credo Missa RegiaCredo Missa Regia
  32. 🔍 32% Ave plena gratiaeAve plena gratiae
  33. 🔍 32% Si quaeris miracula (simple)Si quaeris miracula (simple)
  34. 🔍 31% Quaerunt Reges Regum RegemQuaerunt Reges Regum Regem
  35. 🔍 31% Ave Regina caelorumAve Regina caelorum
  36. 🔍 31% Ave MaterAve Mater
  37. 🔍 31% Adeste fidelesAdeste fideles
  38. 🔍 31% Eia MaterEia Mater
  39. 🔍 30% Stabat Mater dolorosaStabat Mater dolorosa
  40. 🔍 30% Ave Regina caelorumAve Regina caelorum
  41. 🔍 30% Et omnisEt omnis
  42. 🔍 30% Gloria I.Gloria I.
  43. 🔍 30% Parce DomineParce Domine
  44. 🔍 29% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  45. 🔍 29% Psalmus 23 1-2 e 7-10Psalmus 23 1-2 e 7-10
  46. 🔍 29% Qui procedisQui procedis
  47. 🔍 28% Cor dulce cor amabileCor dulce cor amabile
  48. 🔍 28% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  49. 🔍 28% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  50. 🔍 28% Regina CaeliRegina Caeli
  51. 🔍 28% Cantemus DominoCantemus Domino
  52. 🔍 28% Ave Regis AngelorumAve Regis Angelorum
  53. 🔍 28% Si quaeris miraculaSi quaeris miracula
  54. 🔍 28% Cunctis diebusCunctis diebus
  55. 🔍 28% Lamentationes 6.2 Daleth. TetenditLamentationes 6.2 Daleth. Tetendit
  56. 🔍 27% Dum LudoviciDum Ludovici
  57. 🔍 27% Venite exsultemus VI*Venite exsultemus VI*
  58. 🔍 27% Lamentationes 5.1 Incipit lamentatio Ieremiae ProphetaeLamentationes 5.1 Incipit lamentatio Ieremiae Prophetae
  59. 🔍 27% Gloria IIGloria II
  60. 🔍 27% Credo IICredo II
  61. 🔍 27% Eva virumEva virum
  62. 🔍 27% O Rex gentiumO Rex gentium
  63. 🔍 27% O EmmanuelO Emmanuel
  64. 🔍 26% O panis dulcissimeO panis dulcissime
  65. 🔍 26% Ave Virgo specieiAve Virgo speciei