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 Magnum MysteriumO Magnum Mysterium
  2. 🔍 48% O magnum mysteriumO magnum mysterium
  3. 🔍 30% Animam meamAnimam meam
  4. 🔍 29% Ecce vicit leoEcce vicit leo
  5. 🔍 29% Cum complerenturCum complerentur
  6. 🔍 28% Amicus meusAmicus meus
  7. 🔍 27% Bonitas DominiBonitas Domini
  8. 🔍 27% Populum humilemPopulum humilem
  9. 🔍 27% Beata Dei GenitrixBeata Dei Genitrix
  10. 🔍 27% Domus meaDomus mea
  11. 🔍 26% O beatum virum in cujusO beatum virum in cujus
  12. 🔍 26% Jesum tradiditJesum tradidit
  13. 🔍 25% TenebraeTenebrae
  14. 🔍 25% Velum templiVelum templi
  15. 🔍 25% Jam laetus moriarJam laetus moriar
  16. 🔍 25% Sicut ovisSicut ovis
  17. 🔍 25% Hodie beata VirgoHodie beata Virgo
  18. 🔍 25% Salus populiSalus populi
  19. 🔍 25% GloriabunturGloriabuntur
  20. 🔍 25% SanctificavitSanctificavit
  21. 🔍 25% Una horaUna hora
  22. 🔍 25% Praecursor DominiPraecursor Domini
  23. 🔍 25% Cantate DominoCantate Domino
  24. 🔍 25% TradideruntTradiderunt
  25. 🔍 25% Simon JoannisSimon Joannis
  26. 🔍 25% In paradisumIn paradisum
  27. 🔍 24% Sinite parvulosSinite parvulos
  28. 🔍 24% Fidelis servus et prudens (Resp.)Fidelis servus et prudens (Resp.)
  29. 🔍 24% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  30. 🔍 24% Verbum caroVerbum caro
  31. 🔍 24% Memento nostriMemento nostri
  32. 🔍 24% In Nomine Jesu 2In Nomine Jesu 2
  33. 🔍 24% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  34. 🔍 24% Apertis thesaurisApertis thesauris
  35. 🔍 24% Eram quasi agnusEram quasi agnus
  36. 🔍 24% Quem vidistisQuem vidistis
  37. 🔍 24% SenioresSeniores
  38. 🔍 24% Ad te DomineAd te Domine
  39. 🔍 24% Ad DominumAd Dominum
  40. 🔍 24% Judas mercatorJudas mercator
  41. 🔍 24% Agnus Dei VIIIAgnus Dei VIII
  42. 🔍 23% Benedicimus DeumBenedicimus Deum
  43. 🔍 23% Gloria (ad lib.) II.Gloria (ad lib.) II.
  44. 🔍 23% SperaSpera
  45. 🔍 23% Domine fortitudoDomine fortitudo
  46. 🔍 23% SanctusSanctus
  47. 🔍 23% Erit vobisErit vobis
  48. 🔍 23% Sicut dilexit meSicut dilexit me
  49. 🔍 23% Venite adoremusVenite adoremus
  50. 🔍 23% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  51. 🔍 23% Hodie nobis de caeloHodie nobis de caelo
  52. 🔍 23% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  53. 🔍 23% Beata gensBeata gens
  54. 🔍 23% Benedicite omnes AngeliBenedicite omnes Angeli
  55. 🔍 22% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  56. 🔍 22% BenedictaBenedicta
  57. 🔍 22% Beati qui custodiuntBeati qui custodiunt
  58. 🔍 22% Justi epulentur (Off.)Justi epulentur (Off.)
  59. 🔍 22% Qui mihi ministratQui mihi ministrat
  60. 🔍 22% O quam gloriosum est regnumO quam gloriosum est regnum
  61. 🔍 22% Propter veritatemPropter veritatem
  62. 🔍 22% Immolabit haedumImmolabit haedum
  63. 🔍 22% Fuit homoFuit homo
  64. 🔍 22% In te speraviIn te speravi
  65. 🔍 22% Regnum mundiRegnum mundi