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% Ad tuas arasAd tuas aras
  2. 🔍 39% In hoc HyacinthiIn hoc Hyacinthi
  3. 🔍 36% Vox puraVox pura
  4. 🔍 35% Qui luce splendesQui luce splendes
  5. 🔍 34% Cohors beata SeraphimCohors beata Seraphim
  6. 🔍 34% Commune vos apostoliCommune vos apostoli
  7. 🔍 34% O lux beata TrinitasO lux beata Trinitas
  8. 🔍 34% Qui luce splendesQui luce splendes
  9. 🔍 33% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  10. 🔍 33% Praeclara qua tu gloriaPraeclara qua tu gloria
  11. 🔍 32% Relucens inter principesRelucens inter principes
  12. 🔍 32% Apostolorum passio diemApostolorum passio diem
  13. 🔍 31% Commune vos apostoliCommune vos apostoli
  14. 🔍 31% Te nostra laetisTe nostra laetis
  15. 🔍 30% Captator olim pisciumCaptator olim piscium
  16. 🔍 30% Iam ChristusIam Christus
  17. 🔍 30% Virginis ProlesVirginis Proles
  18. 🔍 30% Quis es tu qui venisti (Resp.)Quis es tu qui venisti (Resp.)
  19. 🔍 30% Aurea luceAurea luce
  20. 🔍 29% Jam Christus astra ascenderatJam Christus astra ascenderat
  21. 🔍 29% Beatam me dicent (Resp.)Beatam me dicent (Resp.)
  22. 🔍 29% Dicamus laudes DominoDicamus laudes Domino
  23. 🔍 29% Virginis proles (III)Virginis proles (III)
  24. 🔍 29% Notas mihi fecisti (Resp.)Notas mihi fecisti (Resp.)
  25. 🔍 29% Inclytos ChristiInclytos Christi
  26. 🔍 29% Mater ChristiMater Christi
  27. 🔍 28% Jam Christus astraJam Christus astra
  28. 🔍 28% Legis sacrataeLegis sacratae
  29. 🔍 28% In isto loco promissio (Resp.)In isto loco promissio (Resp.)
  30. 🔍 28% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  31. 🔍 28% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  32. 🔍 28% Coelitum JosephCoelitum Joseph
  33. 🔍 28% Te gentesTe gentes
  34. 🔍 28% Non discedimus a te (Resp.)Non discedimus a te (Resp.)
  35. 🔍 28% Christe qui splendor (Tempore Adventus post diem 16 decembris)Christe qui splendor (Tempore Adventus post diem 16 decembris)
  36. 🔍 28% Petre sol terrisPetre sol terris
  37. 🔍 28% Fuit vir vitae venerabilis (Resp.)Fuit vir vitae venerabilis (Resp.)
  38. 🔍 27% Erat namque in sermone (Resp.)Erat namque in sermone (Resp.)
  39. 🔍 27% Praefatio de nuptiisPraefatio de nuptiis
  40. 🔍 27% Aurora surgit aureaAurora surgit aurea
  41. 🔍 27% Exsultet orbis gaudiisExsultet orbis gaudiis
  42. 🔍 27% Iste Confessor (Conf Pont in Duplicibus Minoribus)Iste Confessor (Conf Pont in Duplicibus Minoribus)
  43. 🔍 27% Quod chorus vatumQuod chorus vatum
  44. 🔍 27% Aurea lucisAurea lucis
  45. 🔍 27% Omnis expertemOmnis expertem
  46. 🔍 27% Omnis expertemOmnis expertem
  47. 🔍 27% Veni Creator (1983/1934)Veni Creator (1983/1934)
  48. 🔍 27% Exsultet jam AngelicaExsultet jam Angelica
  49. 🔍 27% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  50. 🔍 27% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  51. 🔍 27% Caelitum IosephCaelitum Ioseph
  52. 🔍 27% Iam bone pastorIam bone pastor
  53. 🔍 27% Ternis horarum terminisTernis horarum terminis
  54. 🔍 27% Rex summe regumRex summe regum
  55. 🔍 27% Exsultet orbis gaudiisExsultet orbis gaudiis
  56. 🔍 27% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  57. 🔍 27% Gaude Maria VirgoGaude Maria Virgo
  58. 🔍 26% O sator rerumO sator rerum
  59. 🔍 26% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  60. 🔍 26% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  61. 🔍 26% Omnis expertem maculaeOmnis expertem maculae
  62. 🔍 26% Jam Christus astraJam Christus astra
  63. 🔍 26% Jesu corona celsior (S. Mauri abbatis)Jesu corona celsior (S. Mauri abbatis)
  64. 🔍 26% Decora lux aeternitatisDecora lux aeternitatis
  65. 🔍 26% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista