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% Fulgebunt justi sicut solFulgebunt justi sicut sol
  2. 🔍 100% Fulgebunt justi sicut solFulgebunt justi sicut sol
  3. 🔍 64% Fulgebunt justi sicut solFulgebunt justi sicut sol
  4. 🔍 51% Justi fulgebunt sicut solJusti fulgebunt sicut sol
  5. 🔍 50% Fulgebunt justi Fulgebunt justi
  6. 🔍 36% Fulgebunt justi sicut solFulgebunt justi sicut sol
  7. 🔍 34% Spiritus et animaeSpiritus et animae
  8. 🔍 33% Orietur sicut solOrietur sicut sol
  9. 🔍 32% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  10. 🔍 32% Sancti et justiSancti et justi
  11. 🔍 31% Exsultate justiExsultate justi
  12. 🔍 31% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  13. 🔍 31% Resplenduit faciesResplenduit facies
  14. 🔍 30% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  15. 🔍 30% Sancti tui DomineSancti tui Domine
  16. 🔍 30% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  17. 🔍 30% Sicut solSicut sol
  18. 🔍 30% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  19. 🔍 30% Intret oratio meaIntret oratio mea
  20. 🔍 29% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  21. 🔍 29% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  22. 🔍 29% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  23. 🔍 29% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  24. 🔍 29% Jubilate in conspectuJubilate in conspectu
  25. 🔍 28% Respexit meRespexit me
  26. 🔍 28% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  27. 🔍 28% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  28. 🔍 28% Vestimentum tuumVestimentum tuum
  29. 🔍 28% Lux de luceLux de luce
  30. 🔍 28% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  31. 🔍 28% Erat autem aspectusErat autem aspectus
  32. 🔍 27% Sol et lunaSol et luna
  33. 🔍 27% Suscepisti meSuscepisti me
  34. 🔍 27% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  35. 🔍 27% Spiritus Domini replevitSpiritus Domini replevit
  36. 🔍 27% Salvasti nosSalvasti nos
  37. 🔍 27% Date ei de fructuDate ei de fructu
  38. 🔍 27% Alleluia deduc me. (Sundays throughout the year at Terce)Alleluia deduc me. (Sundays throughout the year at Terce)
  39. 🔍 27% Sancti et justi in DominoSancti et justi in Domino
  40. 🔍 27% Sancti et justi in DominoSancti et justi in Domino
  41. 🔍 26% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  42. 🔍 26% Miserere mihiMiserere mihi
  43. 🔍 26% Alleluia LaudateAlleluia Laudate
  44. 🔍 26% Intret oratioIntret oratio
  45. 🔍 26% Refulsit solRefulsit sol
  46. 🔍 26% Orietur sicut solOrietur sicut sol
  47. 🔍 26% Spiritus Domini replevitSpiritus Domini replevit
  48. 🔍 26% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  49. 🔍 26% Deus meus misericordiaDeus meus misericordia
  50. 🔍 26% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  51. 🔍 26% Alleluia tuus sum ego. (Sundays throughout the year at Sext)Alleluia tuus sum ego. (Sundays throughout the year at Sext)
  52. 🔍 25% Spiritus Domini replevitSpiritus Domini replevit
  53. 🔍 25% Orietur sicut solOrietur sicut sol
  54. 🔍 25% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  55. 🔍 25% Recordare Virgo MaterRecordare Virgo Mater
  56. 🔍 25% Ideo jurejurandoIdeo jurejurando
  57. 🔍 25% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  58. 🔍 25% In velamento clamabantIn velamento clamabant
  59. 🔍 25% Nunc Sancte nobis Spiritus (In Dom. et Minor. Fest.)Nunc Sancte nobis Spiritus (In Dom. et Minor. Fest.)
  60. 🔍 25% Erat autem aspectusErat autem aspectus
  61. 🔍 25% Omnes de SabaOmnes de Saba
  62. 🔍 25% Exsultent justiExsultent justi
  63. 🔍 25% Adjutor meusAdjutor meus
  64. 🔍 25% Benedicta es tuBenedicta es tu
  65. 🔍 25% Dixit Dominus DominoDixit Dominus Domino