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% Tu natale solum protegeTu natale solum protege
  2. 🔍 93% Tu natale solumTu natale solum
  3. 🔍 72% Non illam cruciansNon illam crucians
  4. 🔍 72% Martinae celebri plauditeMartinae celebri plaudite
  5. 🔍 69% Martinae celebriMartinae celebri
  6. 🔍 67% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  7. 🔍 62% Non fraus magnanimumNon fraus magnanimum
  8. 🔍 59% Custodes hominumCustodes hominum
  9. 🔍 49% Panis angelicusPanis angelicus
  10. 🔍 44% O Redemptor O Redemptor
  11. 🔍 43%
  12. 🔍 42% O robur DominiO robur Domini
  13. 🔍 41% O RedemptorO Redemptor
  14. 🔍 41% Mente jucundaMente jucunda
  15. 🔍 41% Beata nobisBeata nobis
  16. 🔍 41% Te Joseph celebrent (II)Te Joseph celebrent (II)
  17. 🔍 40% O vos unanimesO vos unanimes
  18. 🔍 40% Gaude Mater PoloniaGaude Mater Polonia
  19. 🔍 40% Ex quo religioEx quo religio
  20. 🔍 39% Impleta gaudentImpleta gaudent
  21. 🔍 39% Sanctorum meritisSanctorum meritis
  22. 🔍 39% Veni Creator SpiritusVeni Creator Spiritus
  23. 🔍 38% Hymnus Te DeumHymnus Te Deum
  24. 🔍 37% Christe qui luxChriste qui lux
  25. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  26. 🔍 37% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  27. 🔍 36% Gloria XIXGloria XIX
  28. 🔍 36% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  29. 🔍 36% Rex magneRex magne
  30. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  31. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  33. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  34. 🔍 36% Christe qui splendor et dies (in sollemnitatibus)Christe qui splendor et dies (in sollemnitatibus)
  35. 🔍 36% O gente felix hospitaO gente felix hospita
  36. 🔍 35% Gloria VIIIGloria VIII
  37. 🔍 35% O beata MaterO beata Mater
  38. 🔍 35% Ut queant laxisUt queant laxis
  39. 🔍 35% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  40. 🔍 35% Hymnus Te DeumHymnus Te Deum
  41. 🔍 35% Jam Christus astra ascenderatJam Christus astra ascenderat
  42. 🔍 35% Veni Creator (1983/1934)Veni Creator (1983/1934)
  43. 🔍 35% Grande RaymundiGrande Raymundi
  44. 🔍 35% Veni Creator SpiritusVeni Creator Spiritus
  45. 🔍 35% Superne regum RexSuperne regum Rex
  46. 🔍 35% Te lucis ante terminum (T. Paschali)Te lucis ante terminum (T. Paschali)
  47. 🔍 34% Aeterne sol qui lumineAeterne sol qui lumine
  48. 🔍 34% O nimis felixO nimis felix
  49. 🔍 34% Vitae novae praevia!Vitae novae praevia!
  50. 🔍 34% Gloria XIGloria XI
  51. 🔍 33% Deus tuorum militumDeus tuorum militum
  52. 🔍 33% Te Mater almaTe Mater alma
  53. 🔍 33% Aeterni Patris UniceAeterni Patris Unice
  54. 🔍 33% Hymnum novaeHymnum novae
  55. 🔍 33% Pater superni luminisPater superni luminis
  56. 🔍 33% Te Deum (Simple tone)Te Deum (Simple tone)
  57. 🔍 32% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  58. 🔍 32% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  59. 🔍 32% Gloria IGloria I
  60. 🔍 32% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  61. 🔍 32% Lux o decora patriaeLux o decora patriae
  62. 🔍 32% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  63. 🔍 32% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  64. 🔍 32% Lucis creatorLucis creator
  65. 🔍 32% Praefatio solemnior de sancta CrucePraefatio solemnior de sancta Cruce