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: 2025-12-20. 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% Ps. 67 Exsurgit Deus ()Ps. 67 Exsurgit Deus ()
  2. 🔍 64% Ps. 67 Exsurgit Deus (for Ascension C)Ps. 67 Exsurgit Deus (for Ascension C)
  3. 🔍 53% Ps. 33 Benedicam Dominum (for Ascension B)Ps. 33 Benedicam Dominum (for Ascension B)
  4. 🔍 36% Confitebor (Ps. 110, 7a Solemn)Confitebor (Ps. 110, 7a Solemn)
  5. 🔍 28% Ps. 117 Confitemini DominoPs. 117 Confitemini Domino
  6. 🔍 28% Psalmus 97Psalmus 97
  7. 🔍 28% Deus in loco sancto suoDeus in loco sancto suo
  8. 🔍 27% Psalmus 23(24)7-10 Psalmus 23(24)7-10
  9. 🔍 27% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  10. 🔍 27% Puer natus estPuer natus est
  11. 🔍 26% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  12. 🔍 25% Beati qui lavantBeati qui lavant
  13. 🔍 25% Vidi aquam (ad libitum)Vidi aquam (ad libitum)
  14. 🔍 24% Puer natus estPuer natus est
  15. 🔍 24% Psalmus 45Psalmus 45
  16. 🔍 24% Psalmus 118Psalmus 118
  17. 🔍 24% Credidi (Ps. 115, 8c)Credidi (Ps. 115, 8c)
  18. 🔍 24% Verba meaVerba mea
  19. 🔍 24% Populus SionPopulus Sion
  20. 🔍 24% Deus in loco sanctoDeus in loco sancto
  21. 🔍 24% Da nobis DeusDa nobis Deus
  22. 🔍 23% Beati qui lavantBeati qui lavant
  23. 🔍 23% Cantate DominoCantate Domino
  24. 🔍 23% Beati qui lavantBeati qui lavant
  25. 🔍 23% Beati qui lavantBeati qui lavant
  26. 🔍 23% Puer natus estPuer natus est
  27. 🔍 23% Aurora surgit lucidaAurora surgit lucida
  28. 🔍 23% Adjutor et protectorAdjutor et protector
  29. 🔍 23% Christus datus estChristus datus est
  30. 🔍 23% Audivit DominusAudivit Dominus
  31. 🔍 23% Benedictus DominusBenedictus Dominus
  32. 🔍 23% Christo datus estChristo datus est
  33. 🔍 23% Ps. 77 Attendite (for Ascension A)Ps. 77 Attendite (for Ascension A)
  34. 🔍 22% In virtute tuaIn virtute tua
  35. 🔍 22% Psalmus 95Psalmus 95
  36. 🔍 22% Psalmus 77Psalmus 77
  37. 🔍 22% Gloria Patri VIIGloria Patri VII
  38. 🔍 22% Populus SionPopulus Sion
  39. 🔍 21% In virtute tua (St Louis)In virtute tua (St Louis)
  40. 🔍 21% Erit quasi signumErit quasi signum
  41. 🔍 21% Deus in adjutoriumDeus in adjutorium
  42. 🔍 21% Ne derelinquas meNe derelinquas me
  43. 🔍 21% Respice DomineRespice Domine
  44. 🔍 21% Erit quasi signumErit quasi signum
  45. 🔍 21% Exsultet gaudioExsultet gaudio
  46. 🔍 21% Exsurgat DeusExsurgat Deus
  47. 🔍 21% Deus in locoDeus in loco
  48. 🔍 21% In virtute tuaIn virtute tua
  49. 🔍 21% Gloria Patri VIIGloria Patri VII
  50. 🔍 21% Viri GalilaeiViri Galilaei
  51. 🔍 20% Psalmus 39Psalmus 39
  52. 🔍 20% Respice DomineRespice Domine
  53. 🔍 20% Psallite DominoPsallite Domino
  54. 🔍 20% Lamentationes 5.2 Daleth. Viae Sion lugentLamentationes 5.2 Daleth. Viae Sion lugent
  55. 🔍 20% Oculus DeiOculus Dei
  56. 🔍 20% Venite Exsultemus VIIVenite Exsultemus VII
  57. 🔍 20% Audivit DominusAudivit Dominus
  58. 🔍 20% Eduxit DominusEduxit Dominus
  59. 🔍 20% Christus resurrexitChristus resurrexit
  60. 🔍 20% Viri GalilaeiViri Galilaei
  61. 🔍 20% AlleluiaAlleluia
  62. 🔍 20% Probasti Domine (Intr.)Probasti Domine (Intr.)
  63. 🔍 19% Eduxit DominusEduxit Dominus
  64. 🔍 19% Oculi meiOculi mei
  65. 🔍 19% Venite exsultemus IVVenite exsultemus IV