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% Psalmus 23 1-2 e 7-10Psalmus 23 1-2 e 7-10
  2. 🔍 45% Credo I.Credo I.
  3. 🔍 43% Gloria Patri VIGloria Patri VI
  4. 🔍 43% Misericordias DominiMisericordias Domini
  5. 🔍 43% Gloria Patri VIGloria Patri VI
  6. 🔍 42% Credo Missa RegiaCredo Missa Regia
  7. 🔍 41% Credo (Missa Regia I)Credo (Missa Regia I)
  8. 🔍 41% LaetabundusLaetabundus
  9. 🔍 40% Laudate DominumLaudate Dominum
  10. 🔍 40% InviolataInviolata
  11. 🔍 39% Venite exsultemus VI*Venite exsultemus VI*
  12. 🔍 39% Adoremus Ps. Laudate Dominum. IIAdoremus Ps. Laudate Dominum. II
  13. 🔍 39% InviolataInviolata
  14. 🔍 38% Aeterne rerum ConditorAeterne rerum Conditor
  15. 🔍 38% Gloria (Missa Regia I)Gloria (Missa Regia I)
  16. 🔍 38% Gloria Missa RegiaGloria Missa Regia
  17. 🔍 38% Gloria Missa RegiaGloria Missa Regia
  18. 🔍 38% Deus in adjutoriumDeus in adjutorium
  19. 🔍 38% Aeterne rerum conditorAeterne rerum conditor
  20. 🔍 38% Incipit Oratio Jeremiae ProphetaeIncipit Oratio Jeremiae Prophetae
  21. 🔍 38% Credo IICredo II
  22. 🔍 37% Jesu paterni pectorisJesu paterni pectoris
  23. 🔍 37% Stabat Mater (simple)Stabat Mater (simple)
  24. 🔍 37% Parce DomineParce Domine
  25. 🔍 37% Deus in adjutorium (tonus solemnis)Deus in adjutorium (tonus solemnis)
  26. 🔍 37% Aeterne rerum Conditor (Dox£. Deo Patri)Aeterne rerum Conditor (Dox£. Deo Patri)
  27. 🔍 37% Ave verumAve verum
  28. 🔍 37% Ave verumAve verum
  29. 🔍 36% Ave Regina caelorumAve Regina caelorum
  30. 🔍 36% Aeterne rerum ... noctemAeterne rerum ... noctem
  31. 🔍 36% Gloria I.Gloria I.
  32. 🔍 36% O Maria, gratia plenaO Maria, gratia plena
  33. 🔍 36% Aeterne rerum ConditorAeterne rerum Conditor
  34. 🔍 35% Ave Regina caelorumAve Regina caelorum
  35. 🔍 35% Qui procedisQui procedis
  36. 🔍 35% Ave plena gratiaeAve plena gratiae
  37. 🔍 35% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  38. 🔍 35% Jod Manum suam misitJod Manum suam misit
  39. 🔍 34% Invicte Martyr unicumInvicte Martyr unicum
  40. 🔍 34% Stabat Mater dolorosaStabat Mater dolorosa
  41. 🔍 34% Deus in adjutorium (Tonus ferialis)Deus in adjutorium (Tonus ferialis)
  42. 🔍 34% Inclina cor meumInclina cor meum
  43. 🔍 34% Quis olimQuis olim
  44. 🔍 34% Gloria Patri IVGloria Patri IV
  45. 🔍 34% Ave Regina caelorum (simple tone)Ave Regina caelorum (simple tone)
  46. 🔍 33% Credo IV (more ambrosiano)Credo IV (more ambrosiano)
  47. 🔍 33% Gloria Patri - IGloria Patri - I
  48. 🔍 33% Vau et egressus estVau et egressus est
  49. 🔍 33% Caput tuum ut CarmelusCaput tuum ut Carmelus
  50. 🔍 33% Misericordias DominiMisericordias Domini
  51. 🔍 33% Anima Christi IIIAnima Christi III
  52. 🔍 33% Gloria Patri IVGloria Patri IV
  53. 🔍 33% Adeste fidelesAdeste fideles
  54. 🔍 33% Miserere mei... secundumMiserere mei... secundum
  55. 🔍 33% Lamentationes 6.2 Daleth. TetenditLamentationes 6.2 Daleth. Tetendit
  56. 🔍 33% Ad honorem SalvatorisAd honorem Salvatoris
  57. 🔍 32% Inclina cor meumInclina cor meum
  58. 🔍 32% Deus in adjutorium (Tonus festivus)Deus in adjutorium (Tonus festivus)
  59. 🔍 32% Ubi caritas est veraUbi caritas est vera
  60. 🔍 32% Ave Virgo specieiAve Virgo speciei
  61. 🔍 32% Te Deum (Simple tone)Te Deum (Simple tone)
  62. 🔍 32% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  63. 🔍 32% Olim mundo minoratusOlim mundo minoratus
  64. 🔍 32% Si quaeris miraculaSi quaeris miracula
  65. 🔍 31% Parce DomineParce Domine