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% Vale suavisVale suavis
  2. 🔍 27% Rex sempiterne, DomineRex sempiterne, Domine
  3. 🔍 27% Praefatio solemnior de S. BenedictoPraefatio solemnior de S. Benedicto
  4. 🔍 26% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  5. 🔍 25% Praefatio solemnior de MartyribusPraefatio solemnior de Martyribus
  6. 🔍 25% Praefatio solemnior de nuptiisPraefatio solemnior de nuptiis
  7. 🔍 24% Superne regum RexSuperne regum Rex
  8. 🔍 24% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  9. 🔍 24% Festum celebre martyrisFestum celebre martyris
  10. 🔍 24% Praefatio solemnior de D. N. Iesu Christo RegePraefatio solemnior de D. N. Iesu Christo Rege
  11. 🔍 24% Praefatio solemnior de sancta CrucePraefatio solemnior de sancta Cruce
  12. 🔍 24% Praefatio solemnior de QuadragesimaPraefatio solemnior de Quadragesima
  13. 🔍 24% Tu natale solum protegeTu natale solum protege
  14. 🔍 24% Tu natale solumTu natale solum
  15. 🔍 24% Praefatio solemnior de beata Maria VirginePraefatio solemnior de beata Maria Virgine
  16. 🔍 24% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  17. 🔍 23% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  18. 🔍 23% Praefatio solemnior de Nativitate DominiPraefatio solemnior de Nativitate Domini
  19. 🔍 23% Praefatio solemnior de sanctissima EucharistiaPraefatio solemnior de sanctissima Eucharistia
  20. 🔍 23% Praefatio solemnior de AdventuPraefatio solemnior de Adventu
  21. 🔍 23% Candor aeternaeCandor aeternae
  22. 🔍 23% Praefatio solemnior communisPraefatio solemnior communis
  23. 🔍 23% In martyris LaurentiiIn martyris Laurentii
  24. 🔍 23% Praefatio solemnior de sancto Ioanne BaptistaPraefatio solemnior de sancto Ioanne Baptista
  25. 🔍 23% Christe qui luxChriste qui lux
  26. 🔍 23% Gaude Mater PoloniaGaude Mater Polonia
  27. 🔍 23% Praefatio solemnior de AngelisPraefatio solemnior de Angelis
  28. 🔍 22% Praefatio solemnior de Spiritu SanctoPraefatio solemnior de Spiritu Sancto
  29. 🔍 22% Rex magneRex magne
  30. 🔍 22% Praefatio solemnior de sacratissimo Corde IesuPraefatio solemnior de sacratissimo Corde Iesu
  31. 🔍 22% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  32. 🔍 22% Praefatio solemnior de Epiphania DominiPraefatio solemnior de Epiphania Domini
  33. 🔍 22% En martyris LaurentiiEn martyris Laurentii
  34. 🔍 22% Praefatio solemnior de ApostolisPraefatio solemnior de Apostolis
  35. 🔍 22% Beata nobisBeata nobis
  36. 🔍 22% Praefatio solemnior de Ascensione DominiPraefatio solemnior de Ascensione Domini
  37. 🔍 22% Martinae celebri plauditeMartinae celebri plaudite
  38. 🔍 22% Non illam cruciansNon illam crucians
  39. 🔍 21% Post Petrum primumPost Petrum primum
  40. 🔍 21% Impleta gaudentImpleta gaudent
  41. 🔍 21% O rex aeterne DomineO rex aeterne Domine
  42. 🔍 21% Martinae celebriMartinae celebri
  43. 🔍 21% Lucis Creator optimeLucis Creator optime
  44. 🔍 21% Lucis Creator optimeLucis Creator optime
  45. 🔍 20% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  46. 🔍 20% Te lucis ante terminum (In Tempore Paschali)Te lucis ante terminum (In Tempore Paschali)
  47. 🔍 20% Jam Christus astraJam Christus astra
  48. 🔍 20% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  49. 🔍 20% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  50. 🔍 20% Praefatio solemnior PaschalisPraefatio solemnior Paschalis
  51. 🔍 20% Hymnus Te DeumHymnus Te Deum
  52. 🔍 20% Iesu quadragenariaeIesu quadragenariae
  53. 🔍 20% Hymnum novaeHymnum novae
  54. 🔍 20% Lucis Creator optime (in Hieme)Lucis Creator optime (in Hieme)
  55. 🔍 20% O esca viatorumO esca viatorum
  56. 🔍 20% Lucis creatorLucis creator
  57. 🔍 20% Mente jucundaMente jucunda
  58. 🔍 20% Lucis Creator optimeLucis Creator optime
  59. 🔍 20% Laudes Crucis AttollamusLaudes Crucis Attollamus
  60. 🔍 20% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  61. 🔍 20% Decus morumDecus morum
  62. 🔍 20% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  63. 🔍 20% Te Deum PatremTe Deum Patrem
  64. 🔍 19% Tota pulchra es amica (Ant)Tota pulchra es amica (Ant)
  65. 🔍 19% O esca viatorumO esca viatorum