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. 77 Attendite (for Ascension A)Ps. 77 Attendite (for Ascension A)
  2. 🔍 55% Ps. 67 Exsurgit Deus (for Ascension C)Ps. 67 Exsurgit Deus (for Ascension C)
  3. 🔍 54% Cantate DominoCantate Domino
  4. 🔍 40% Psalmus 77Psalmus 77
  5. 🔍 40% Ps. 33 Benedicam Dominum (for Ascension B)Ps. 33 Benedicam Dominum (for Ascension B)
  6. 🔍 38% Deus iudiciumDeus iudicium
  7. 🔍 38% Ps. 23 Domini est terraPs. 23 Domini est terra
  8. 🔍 37% Ps. 21 Deus DeusPs. 21 Deus Deus
  9. 🔍 34% Preces vespertinae (french)Preces vespertinae (french)
  10. 🔍 34% Preces vespertinae Initia (french)Preces vespertinae Initia (french)
  11. 🔍 32% Psalmus 95Psalmus 95
  12. 🔍 30% Spiritus... super meSpiritus... super me
  13. 🔍 29% Psalmus 125Psalmus 125
  14. 🔍 28% AlleluiaAlleluia
  15. 🔍 27% Psalmus 24Psalmus 24
  16. 🔍 27% Attendite popule meusAttendite popule meus
  17. 🔍 27% Spiritus Domini super meSpiritus Domini super me
  18. 🔍 26% Psalmus 2Psalmus 2
  19. 🔍 26% Ps. 117 Confitemini Domino (Dominica Resurrectionis)Ps. 117 Confitemini Domino (Dominica Resurrectionis)
  20. 🔍 25% Dixit Dominus (Ps. 109, 1g)Dixit Dominus (Ps. 109, 1g)
  21. 🔍 25% Psalm 109 (Dixit Dominus) (Tone 1.f)Psalm 109 (Dixit Dominus) (Tone 1.f)
  22. 🔍 25% Por suasPor suas
  23. 🔍 25% Por suasPor suas
  24. 🔍 25% Por suasPor suas
  25. 🔍 25% Por suasPor suas
  26. 🔍 25% Por suasPor suas
  27. 🔍 25% Por suasPor suas
  28. 🔍 25% Por suasPor suas
  29. 🔍 25% Spiritus Domini super meSpiritus Domini super me
  30. 🔍 25% Por suasPor suas
  31. 🔍 25% Eduxit eosEduxit eos
  32. 🔍 24% Salus populiSalus populi
  33. 🔍 24% ManducaveruntManducaverunt
  34. 🔍 24% Domini est terra (Ps.23 - Textus antiquus)Domini est terra (Ps.23 - Textus antiquus)
  35. 🔍 24% Salus populiSalus populi
  36. 🔍 24% Domini est terra (Ps. 23 - novam int.lat.)Domini est terra (Ps. 23 - novam int.lat.)
  37. 🔍 24% Attendite universiAttendite universi
  38. 🔍 24% Lex veritatisLex veritatis
  39. 🔍 24% Eduxit eosEduxit eos
  40. 🔍 24% Lex veritatisLex veritatis
  41. 🔍 23% InclinateInclinate
  42. 🔍 23% Attendite popule meus (Resp.)Attendite popule meus (Resp.)
  43. 🔍 23% Ps. 117 Confitemini DominoPs. 117 Confitemini Domino
  44. 🔍 23% AccipiteAccipite
  45. 🔍 23% Eduxit eosEduxit eos
  46. 🔍 23% Attendite universiAttendite universi
  47. 🔍 23% Ps. 22 Dominus Pascit mePs. 22 Dominus Pascit me
  48. 🔍 23% Ps. 67 Exsurgit Deus ()Ps. 67 Exsurgit Deus ()
  49. 🔍 23% Omnes gentes (Ps.46 - Textus antiquus)Omnes gentes (Ps.46 - Textus antiquus)
  50. 🔍 22% Attendite populeAttendite popule
  51. 🔍 22% AccipiteAccipite
  52. 🔍 22% Psalmus 71Psalmus 71
  53. 🔍 22% Psalmus 84 APsalmus 84 A
  54. 🔍 22% Miserere mei... secundumMiserere mei... secundum
  55. 🔍 22% Psalmus 24Psalmus 24
  56. 🔍 21% Confitebor (Ps. 110, 7a Solemn)Confitebor (Ps. 110, 7a Solemn)
  57. 🔍 21% ResurrexiResurrexi
  58. 🔍 21% Factus est DominusFactus est Dominus
  59. 🔍 21% AccipiteAccipite
  60. 🔍 21% Psalmus 127Psalmus 127
  61. 🔍 21% Deus Deus meus (Ps. 21 - Textus antiquus)Deus Deus meus (Ps. 21 - Textus antiquus)
  62. 🔍 21% AttenditeAttendite
  63. 🔍 21% Ego clamaviEgo clamavi
  64. 🔍 21% Salvum me fac DeusSalvum me fac Deus
  65. 🔍 21% De necessitatibusDe necessitatibus