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% Nonne sic oportuitNonne sic oportuit
  2. 🔍 78% Nonne sic oportuitNonne sic oportuit
  3. 🔍 68% Nonne sic oportuitNonne sic oportuit
  4. 🔍 68% Nonne sic oportuitNonne sic oportuit
  5. 🔍 64% Nonne sic oportuitNonne sic oportuit
  6. 🔍 57% Nonne sicNonne sic
  7. 🔍 32% Alias oves habeoAlias oves habeo
  8. 🔍 31% Ponam in SionPonam in Sion
  9. 🔍 30% Serve nequamServe nequam
  10. 🔍 30% Oportebat patiOportebat pati
  11. 🔍 30% Sancti tui DomineSancti tui Domine
  12. 🔍 29% Nonne cor nostrumNonne cor nostrum
  13. 🔍 28% Alleluia LaudateAlleluia Laudate
  14. 🔍 28% Dabo in SionDabo in Sion
  15. 🔍 27% Serve nequamServe nequam
  16. 🔍 26% Domine nonneDomine nonne
  17. 🔍 26% Resplenduit faciesResplenduit facies
  18. 🔍 26% Nos autem gloriari (Ant)Nos autem gloriari (Ant)
  19. 🔍 26% Sic Deus dilexitSic Deus dilexit
  20. 🔍 26% Cognoverunt DominumCognoverunt Dominum
  21. 🔍 26% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  22. 🔍 26% Sancti tui DomineSancti tui Domine
  23. 🔍 25% Sic benedicam teSic benedicam te
  24. 🔍 25% Ave Maria ... allel.Ave Maria ... allel.
  25. 🔍 25% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  26. 🔍 25% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  27. 🔍 25% Spiritus carnem et ossaSpiritus carnem et ossa
  28. 🔍 25% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  29. 🔍 25% Praecedam vosPraecedam vos
  30. 🔍 25% Domine in caeloDomine in caelo
  31. 🔍 25% Ecce fidelis servusEcce fidelis servus
  32. 🔍 25% Dixerunt impiiDixerunt impii
  33. 🔍 25% Ite et vosIte et vos
  34. 🔍 25% AlleluiaAlleluia
  35. 🔍 25% Dabo in SionDabo in Sion
  36. 🔍 25% Pax vobis ego sumPax vobis ego sum
  37. 🔍 24% Tristitia vestra alleluiaTristitia vestra alleluia
  38. 🔍 24% Gloria in excelsisGloria in excelsis
  39. 🔍 24% Fidelis servus et prudens (Ant.)Fidelis servus et prudens (Ant.)
  40. 🔍 24% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  41. 🔍 24% Dabo in SionDabo in Sion
  42. 🔍 24% Inclinavit DominusInclinavit Dominus
  43. 🔍 24% Benedicam te in vitaBenedicam te in vita
  44. 🔍 24% Magna est gloria ... allel.Magna est gloria ... allel.
  45. 🔍 24% Magna est gloria ... allel.Magna est gloria ... allel.
  46. 🔍 24% Ideo jurejurandoIdeo jurejurando
  47. 🔍 23% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  48. 🔍 23% Euntes in mundum alleluiaEuntes in mundum alleluia
  49. 🔍 23% Exiit sermoExiit sermo
  50. 🔍 23% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  51. 🔍 23% Alleluia faciem tuam. (Sundays throughout the year at None)Alleluia faciem tuam. (Sundays throughout the year at None)
  52. 🔍 23% Euge serve bone (Conf. non Pont.)Euge serve bone (Conf. non Pont.)
  53. 🔍 23% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  54. 🔍 23% Fulgebunt justi sicut solFulgebunt justi sicut sol
  55. 🔍 23% Fulgebunt justi sicut solFulgebunt justi sicut sol
  56. 🔍 23% Miserere mihiMiserere mihi
  57. 🔍 23% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  58. 🔍 23% Dum esset summusDum esset summus
  59. 🔍 23% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  60. 🔍 23% Mitte manum tuamMitte manum tuam
  61. 🔍 23% Alleluia Faciem tuamAlleluia Faciem tuam
  62. 🔍 23% Spiritus quiSpiritus qui
  63. 🔍 23% Exiit sermo interExiit sermo inter
  64. 🔍 23% Deus a LibanoDeus a Libano
  65. 🔍 23% Custodivit eamCustodivit eam