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% Ps. 117 Confitemini DominoPs. 117 Confitemini Domino
  2. 🔍 60% Ps. 117 Confitemini Domino (Dominica Resurrectionis)Ps. 117 Confitemini Domino (Dominica Resurrectionis)
  3. 🔍 41% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  4. 🔍 41% Psalmus 118Psalmus 118
  5. 🔍 40% Psalmus 23(24)7-10 Psalmus 23(24)7-10
  6. 🔍 38% Confitemini Domino quoniamConfitemini Domino quoniam
  7. 🔍 37% Confitemini Domino quoniamConfitemini Domino quoniam
  8. 🔍 36% Ps. 33 Benedicam Dominum (for Ascension B)Ps. 33 Benedicam Dominum (for Ascension B)
  9. 🔍 35% Ps. 22 Dominus Pascit mePs. 22 Dominus Pascit me
  10. 🔍 34% Confitebor (Ps. 110, 7a Solemn)Confitebor (Ps. 110, 7a Solemn)
  11. 🔍 34% Psalmus 97Psalmus 97
  12. 🔍 33% Confitemini Domino quoniam (Antiphona)Confitemini Domino quoniam (Antiphona)
  13. 🔍 33% Ps. 23 Domini est terraPs. 23 Domini est terra
  14. 🔍 33% Alleluia confiteminiAlleluia confitemini
  15. 🔍 32% Confitemini Domino quoniam (Antiphona)Confitemini Domino quoniam (Antiphona)
  16. 🔍 32% Verba meaVerba mea
  17. 🔍 31% AlleluiaAlleluia
  18. 🔍 30% Canticum B. Mariae V.Canticum B. Mariae V.
  19. 🔍 29% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  20. 🔍 29% Cantate DominoCantate Domino
  21. 🔍 28% Ps. 67 Exsurgit Deus ()Ps. 67 Exsurgit Deus ()
  22. 🔍 28% Alleluia ConfiteminiAlleluia Confitemini
  23. 🔍 28% Credidi (Ps. 115, 8c)Credidi (Ps. 115, 8c)
  24. 🔍 28% Ps. 67 Exsurgit Deus (for Ascension C)Ps. 67 Exsurgit Deus (for Ascension C)
  25. 🔍 27% Confitemini Domino quoniam bonusConfitemini Domino quoniam bonus
  26. 🔍 27% Salvos nos facSalvos nos fac
  27. 🔍 26% Beati qui lavantBeati qui lavant
  28. 🔍 26% Confitemini... quoniam (in Rog.)Confitemini... quoniam (in Rog.)
  29. 🔍 26% Deus iudiciumDeus iudicium
  30. 🔍 25% Gloria PatriGloria Patri
  31. 🔍 25% Ps. 21 Deus DeusPs. 21 Deus Deus
  32. 🔍 25% Confitemini Domino quiaConfitemini Domino quia
  33. 🔍 25% Beati qui lavantBeati qui lavant
  34. 🔍 25% Beati qui lavantBeati qui lavant
  35. 🔍 25% Beati qui lavantBeati qui lavant
  36. 🔍 24% Salvos nos facSalvos nos fac
  37. 🔍 24% Confitemini... quoniam (Sab. Sancto)Confitemini... quoniam (Sab. Sancto)
  38. 🔍 24% Mitte manum... alleluiaMitte manum... alleluia
  39. 🔍 24% Confitemini DominoConfitemini Domino
  40. 🔍 24% Salvos nos facSalvos nos fac
  41. 🔍 24% Psalmus 94Psalmus 94
  42. 🔍 24% Confitemini Domino quia (Antiphona)Confitemini Domino quia (Antiphona)
  43. 🔍 24% Lauda Jerusalem (Ps.147 - Textus antiquus)Lauda Jerusalem (Ps.147 - Textus antiquus)
  44. 🔍 23% Tonus IIITonus III
  45. 🔍 23% Psalmus 39Psalmus 39
  46. 🔍 23% Confitemini Domino quiaConfitemini Domino quia
  47. 🔍 23% Iustus es DomineIustus es Domine
  48. 🔍 23% Ps. 77 Attendite (for Ascension A)Ps. 77 Attendite (for Ascension A)
  49. 🔍 23% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  50. 🔍 23% Prex eucharisticaPrex eucharistica
  51. 🔍 23% Psalmus 45Psalmus 45
  52. 🔍 23% Psalmus 125Psalmus 125
  53. 🔍 23% Introduxit vosIntroduxit vos
  54. 🔍 23% Benedictus DominusBenedictus Dominus
  55. 🔍 23% Tonus VIITonus VII
  56. 🔍 23% Christus datus estChristus datus est
  57. 🔍 22% Confitemini... quoniam (In Lit.)Confitemini... quoniam (In Lit.)
  58. 🔍 22% Psalmus 118Psalmus 118
  59. 🔍 22% Christo datus estChristo datus est
  60. 🔍 22% AperiteAperite
  61. 🔍 22% Haec dies... ConfiteminiHaec dies... Confitemini
  62. 🔍 22% Venite benedictiVenite benedicti
  63. 🔍 21% Psalmus 77Psalmus 77
  64. 🔍 21% AlleluiaAlleluia
  65. 🔍 21% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii