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% O salutaris Hostia VIO salutaris Hostia VI
  2. 🔍 79% O salutaris Hostia VO salutaris Hostia V
  3. 🔍 71% O salutaris Hostia IVO salutaris Hostia IV
  4. 🔍 67% O salutaris Hostia IO salutaris Hostia I
  5. 🔍 66% O salutaris Hostia IIO salutaris Hostia II
  6. 🔍 65% O salutaris Hostia VIIO salutaris Hostia VII
  7. 🔍 65% O Salutaris Hostia (Creator Alme)O Salutaris Hostia (Creator Alme)
  8. 🔍 64% O Salutaris Hostia III (cantus ad processiones)O Salutaris Hostia III (cantus ad processiones)
  9. 🔍 64% O salutaris Hostia IIO salutaris Hostia II
  10. 🔍 63% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  11. 🔍 61% O salutaris Hostia IIIO salutaris Hostia III
  12. 🔍 59% O salutaris Hostia IO salutaris Hostia I
  13. 🔍 58% O Salutaris Hostia VII (cantus ad processiones)O Salutaris Hostia VII (cantus ad processiones)
  14. 🔍 58% O salutaris Hostia IIIO salutaris Hostia III
  15. 🔍 54% Dicamus laudes DominoDicamus laudes Domino
  16. 🔍 54% Ternis horarum terminisTernis horarum terminis
  17. 🔍 53% O salutaris HostiaO salutaris Hostia
  18. 🔍 53% O Salutaris Hostia II (cantus ad processiones)O Salutaris Hostia II (cantus ad processiones)
  19. 🔍 50% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  20. 🔍 49% O Salutaris Hostia (Vexilla Regis)O Salutaris Hostia (Vexilla Regis)
  21. 🔍 47% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  22. 🔍 45% Christe qui splendor (Tempore Adventus post diem 16 decembris)Christe qui splendor (Tempore Adventus post diem 16 decembris)
  23. 🔍 44% Certum tenentes ordinemCertum tenentes ordinem
  24. 🔍 44% Certum tenentes ordinemCertum tenentes ordinem
  25. 🔍 43% Certum tenentes ordinem (T Adventus)Certum tenentes ordinem (T Adventus)
  26. 🔍 43% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  27. 🔍 43% Apostolorum passio diemApostolorum passio diem
  28. 🔍 43% Commune vos apostoliCommune vos apostoli
  29. 🔍 41% Cohors beata SeraphimCohors beata Seraphim
  30. 🔍 40% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  31. 🔍 39% Te nostra laetisTe nostra laetis
  32. 🔍 39% O Salutaris HostiaO Salutaris Hostia
  33. 🔍 39% O salutaris HostiaO salutaris Hostia
  34. 🔍 39% Relucens inter principesRelucens inter principes
  35. 🔍 38% Qui luce splendesQui luce splendes
  36. 🔍 37% Qui luce splendesQui luce splendes
  37. 🔍 37% Praeclara qua tu gloriaPraeclara qua tu gloria
  38. 🔍 37% Captator olim pisciumCaptator olim piscium
  39. 🔍 37% Commune vos apostoliCommune vos apostoli
  40. 🔍 35% Beata es Virgo Maria quae (Ant)Beata es Virgo Maria quae (Ant)
  41. 🔍 35% Doctor egregie PauleDoctor egregie Paule
  42. 🔍 34% Iam bone pastorIam bone pastor
  43. 🔍 34% Mater ChristiMater Christi
  44. 🔍 33% Rector potens (Adv.)Rector potens (Adv.)
  45. 🔍 33% Nunc sancte (Adv)Nunc sancte (Adv)
  46. 🔍 33% Rerum Deus tenax (Adv.)Rerum Deus tenax (Adv.)
  47. 🔍 33% Jam bone pastorJam bone pastor
  48. 🔍 33% Auctor beate saeculiAuctor beate saeculi
  49. 🔍 32% Te lucis ante terminum (Tempore Adventus usque ad diem 16 decembris)Te lucis ante terminum (Tempore Adventus usque ad diem 16 decembris)
  50. 🔍 32% Rex summe regumRex summe regum
  51. 🔍 32% Pacem tuamPacem tuam
  52. 🔍 32% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  53. 🔍 32% Jam bone pastorJam bone pastor
  54. 🔍 31% Decora lux aeternitatisDecora lux aeternitatis
  55. 🔍 31% Decora lux aeternitatisDecora lux aeternitatis
  56. 🔍 31% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  57. 🔍 31% O rex aeterne DomineO rex aeterne Domine
  58. 🔍 31% Gaude Dei GenitrixGaude Dei Genitrix
  59. 🔍 30% Martyr Dei (I)Martyr Dei (I)
  60. 🔍 30% Luce divinaLuce divina
  61. 🔍 30% Exsultet orbis gaudiisExsultet orbis gaudiis
  62. 🔍 30% Exsultet orbis gaudiisExsultet orbis gaudiis
  63. 🔍 30% Auctor beate saeculiAuctor beate saeculi
  64. 🔍 30% En ut superbaEn ut superba
  65. 🔍 30% Deus tuorum militum (Alter tonus T. P.)Deus tuorum militum (Alter tonus T. P.)