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% Apparuerunt apostolisApparuerunt apostolis
  2. 🔍 64% Apparuerunt apostolis (Mode 7a-gb)Apparuerunt apostolis (Mode 7a-gb)
  3. 🔍 60% Apparuerunt apostolis (Mode 7a-gg)Apparuerunt apostolis (Mode 7a-gg)
  4. 🔍 58% Apparuerunt apostolisApparuerunt apostolis
  5. 🔍 58% Pentecostes (Alia antiphona)Pentecostes (Alia antiphona)
  6. 🔍 48% Apparuerunt apostolisApparuerunt apostolis
  7. 🔍 30% Spiritus Sanctus replevit totam domumSpiritus Sanctus replevit totam domum
  8. 🔍 26% Sanctorum meritisSanctorum meritis
  9. 🔍 25% Alleluia (ant.)Alleluia (ant.)
  10. 🔍 25% Alleluia (ant.)Alleluia (ant.)
  11. 🔍 25% Veni Creator SpiritusVeni Creator Spiritus
  12. 🔍 25% Jam Christus astra ascenderatJam Christus astra ascenderat
  13. 🔍 24% Alleluia audiviAlleluia audivi
  14. 🔍 24% Et ecce apparueruntEt ecce apparuerunt
  15. 🔍 24% Ex quo religioEx quo religio
  16. 🔍 24% Et ecce apparueruntEt ecce apparuerunt
  17. 🔍 24% O vos unanimesO vos unanimes
  18. 🔍 23% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  19. 🔍 23% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  20. 🔍 23% Spiritus SanctusSpiritus Sanctus
  21. 🔍 23% Hodie gloriosusHodie gloriosus
  22. 🔍 23% Veni Creator (1983/1934)Veni Creator (1983/1934)
  23. 🔍 23% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  24. 🔍 23% Et ecce apparueruntEt ecce apparuerunt
  25. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  26. 🔍 22% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  27. 🔍 22% Lux de luceLux de luce
  28. 🔍 22% Veni Creator SpiritusVeni Creator Spiritus
  29. 🔍 22% Veni Sancte SpiritusVeni Sancte Spiritus
  30. 🔍 22% Angelus Domini nuntiavitAngelus Domini nuntiavit
  31. 🔍 22% Mente jucundaMente jucunda
  32. 🔍 22% LoquebanturLoquebantur
  33. 🔍 22% Beata nobisBeata nobis
  34. 🔍 21% Gentis redemptaeGentis redemptae
  35. 🔍 21% Christo datus estChristo datus est
  36. 🔍 21% Veni Creator SpiritusVeni Creator Spiritus
  37. 🔍 21% Ego sum viaEgo sum via
  38. 🔍 21% O Redemptor O Redemptor
  39. 🔍 21% Aeterne sol qui lumineAeterne sol qui lumine
  40. 🔍 21% Et ecce apparuerunt eisEt ecce apparuerunt eis
  41. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  42. 🔍 21%
  43. 🔍 21% Lucis Creator optimeLucis Creator optime
  44. 🔍 21% In medio et circuituIn medio et circuitu
  45. 🔍 21% Te DeumTe Deum
  46. 🔍 21% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus
  47. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  48. 🔍 21% Hodie completi suntHodie completi sunt
  49. 🔍 21% Te DeumTe Deum
  50. 🔍 21% Hymnus Te DeumHymnus Te Deum
  51. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  52. 🔍 21% Cum venerit Paraclitus SpiritusCum venerit Paraclitus Spiritus
  53. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 20% Hodie completi suntHodie completi sunt
  55. 🔍 20% Caeli civesCaeli cives
  56. 🔍 20% Inclytos ChristiInclytos Christi
  57. 🔍 20% Te Deum (Simple tone)Te Deum (Simple tone)
  58. 🔍 20% Hodie completi suntHodie completi sunt
  59. 🔍 20% Gaude mater AnnaGaude mater Anna
  60. 🔍 20% Flores apparueruntFlores apparuerunt
  61. 🔍 20% LoquebanturLoquebantur
  62. 🔍 20% O MartineO Martine
  63. 🔍 20% Lux de luceLux de luce
  64. 🔍 20% Iste Confessor (Conf. not Bishop) 5Iste Confessor (Conf. not Bishop) 5
  65. 🔍 20% Convocatis Jesus duodecim ApostolisConvocatis Jesus duodecim Apostolis