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% Alma RedemptorisAlma Redemptoris
  2. 🔍 100% Alma RedemptorisAlma Redemptoris
  3. 🔍 69% Alma RedemptorisAlma Redemptoris
  4. 🔍 64% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  5. 🔍 59% Alma RedemptorisAlma Redemptoris
  6. 🔍 56% Alma Redemptoris (monasticum)Alma Redemptoris (monasticum)
  7. 🔍 53% Alma Redemptoris (tonus simplex)Alma Redemptoris (tonus simplex)
  8. 🔍 50% Alma Redemptoris MaterAlma Redemptoris Mater
  9. 🔍 47% Alma RedemptorisAlma Redemptoris
  10. 🔍 47% Alma RedemptorisAlma Redemptoris
  11. 🔍 38% Ad te confugimusAd te confugimus
  12. 🔍 35% Jam Christus astraJam Christus astra
  13. 🔍 35% Jam Christus astraJam Christus astra
  14. 🔍 35% Veni Creator SpiritusVeni Creator Spiritus
  15. 🔍 35% Quem terra pontus sideraQuem terra pontus sidera
  16. 🔍 34% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  17. 🔍 33% Misereris omniumMisereris omnium
  18. 🔍 33% Credo VICredo VI
  19. 🔍 33% In salutariIn salutari
  20. 🔍 33% Petite cum AlleluiaPetite cum Alleluia
  21. 🔍 32% BenedictaBenedicta
  22. 🔍 32% MemorareMemorare
  23. 🔍 32% Vexilla ChristusVexilla Christus
  24. 🔍 32% Ecce DeusEcce Deus
  25. 🔍 32% Per te immaculataPer te immaculata
  26. 🔍 31% Jesu dulcis amorJesu dulcis amor
  27. 🔍 31% Credo VCredo V
  28. 🔍 31% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  29. 🔍 31% CaligaveruntCaligaverunt
  30. 🔍 31% Psallite DominoPsallite Domino
  31. 🔍 31% Beata quae credidistiBeata quae credidisti
  32. 🔍 31% O crux splendidiorO crux splendidior
  33. 🔍 30% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  34. 🔍 30% Ad te confugimusAd te confugimus
  35. 🔍 30% O MartineO Martine
  36. 🔍 30% ExsurgeExsurge
  37. 🔍 30% Beata es Virgo Maria quae (Resp)Beata es Virgo Maria quae (Resp)
  38. 🔍 30% Ad regias Agni dapesAd regias Agni dapes
  39. 🔍 30% Beata visceraBeata viscera
  40. 🔍 30% A solis ortus cardineA solis ortus cardine
  41. 🔍 30% Beatam me dicent... quia fecitBeatam me dicent... quia fecit
  42. 🔍 30% Petite sine AlleluiaPetite sine Alleluia
  43. 🔍 29% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  44. 🔍 29% Regnum mundiRegnum mundi
  45. 🔍 29% TenebraeTenebrae
  46. 🔍 29% Regina mundiRegina mundi
  47. 🔍 29% Christe sanctorumChriste sanctorum
  48. 🔍 29% Crudelis Herodes DeumCrudelis Herodes Deum
  49. 🔍 29% Illi ergo hominesIlli ergo homines
  50. 🔍 29% Illi ergo hominesIlli ergo homines
  51. 🔍 29% O sola magnarumO sola magnarum
  52. 🔍 29% Libera me Domine de morteLibera me Domine de morte
  53. 🔍 29% SenioresSeniores
  54. 🔍 29% Salve Regina (simple tone)Salve Regina (simple tone)
  55. 🔍 29% Benedicimus DeumBenedicimus Deum
  56. 🔍 29% Ave maris stella (another chant)Ave maris stella (another chant)
  57. 🔍 29% Videntes stellamVidentes stellam
  58. 🔍 29% Videntes stellamVidentes stellam
  59. 🔍 29% Tota pulchra es amica meaTota pulchra es amica mea
  60. 🔍 29% Quem vidistisQuem vidistis
  61. 🔍 29% Manum suamManum suam
  62. 🔍 28% Ave Maria... virgo serenaAve Maria... virgo serena
  63. 🔍 28% Hodie beata VirgoHodie beata Virgo
  64. 🔍 28% Memento nostriMemento nostri
  65. 🔍 28% Justorum animae (Off.)Justorum animae (Off.)