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% Aequa Pii justitiaAequa Pii justitia
  2. 🔍 31% Pii temperentiaPii temperentia
  3. 🔍 26% In tua justitiaIn tua justitia
  4. 🔍 24% Constans PiiConstans Pii
  5. 🔍 23% Pii nomenPii nomen
  6. 🔍 21% In tua justitiaIn tua justitia
  7. 🔍 20% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  8. 🔍 20% Alleluia Dominus regnavitAlleluia Dominus regnavit
  9. 🔍 20% Spiritus... hymnumSpiritus... hymnum
  10. 🔍 20% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  11. 🔍 19% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  12. 🔍 19% De tumbaDe tumba
  13. 🔍 19% Deduc me in justitiaDeduc me in justitia
  14. 🔍 19% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  15. 🔍 19% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  16. 🔍 19% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  17. 🔍 19% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  18. 🔍 19% Mittite in dexteramMittite in dexteram
  19. 🔍 18% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  20. 🔍 18% Beata es MariaBeata es Maria
  21. 🔍 18% Amen... dico... quiaAmen... dico... quia
  22. 🔍 18% Felix namqueFelix namque
  23. 🔍 18% Alleluia. Dom. LaudAlleluia. Dom. Laud
  24. 🔍 18% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  25. 🔍 18% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  26. 🔍 18% In medio EcclesiaeIn medio Ecclesiae
  27. 🔍 18% ExaltareExaltare
  28. 🔍 18% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  29. 🔍 18% Pinguis estPinguis est
  30. 🔍 18% Motu sensuMotu sensu
  31. 🔍 18% Candens virgoCandens virgo
  32. 🔍 18% Sancti et justiSancti et justi
  33. 🔍 18% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  34. 🔍 18% Ad sancti Petri tumulumAd sancti Petri tumulum
  35. 🔍 18% Beati mundo cordeBeati mundo corde
  36. 🔍 18% Fidelis servus (II)Fidelis servus (II)
  37. 🔍 18% Vota meaVota mea
  38. 🔍 18% Rerum omniumRerum omnium
  39. 🔍 18% Tres pueriTres pueri
  40. 🔍 17% O martyr egregieO martyr egregie
  41. 🔍 17% OmnipotentiOmnipotenti
  42. 🔍 17% Alleluia Omnes GentesAlleluia Omnes Gentes
  43. 🔍 17% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  44. 🔍 17% Qui me confessusQui me confessus
  45. 🔍 17% BaptistaBaptista
  46. 🔍 17% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  47. 🔍 17% Ascendit DeusAscendit Deus
  48. 🔍 17% Ego autem cum justitiaEgo autem cum justitia
  49. 🔍 17% In sanctitate et justitiaIn sanctitate et justitia
  50. 🔍 17% Alleluia Dominus regnavitAlleluia Dominus regnavit
  51. 🔍 17% Pii vigilPii vigil
  52. 🔍 17% O PetreO Petre
  53. 🔍 17% Miserere mei... secundumMiserere mei... secundum
  54. 🔍 17% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  55. 🔍 17% Pater eramPater eram
  56. 🔍 17% Quasi tubaQuasi tuba
  57. 🔍 17% Constitues eos... allleluiaConstitues eos... allleluia
  58. 🔍 17% Benedicam te IBenedicam te I
  59. 🔍 17% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  60. 🔍 17% Sic Deus dilexitSic Deus dilexit
  61. 🔍 17% Alleluia confiteminiAlleluia confitemini
  62. 🔍 17% Omnes GentesOmnes Gentes
  63. 🔍 17% Fontem salutisFontem salutis
  64. 🔍 17% Saule fraterSaule frater
  65. 🔍 17% Tulit ergoTulit ergo