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: 2025-12-20. 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% Alma RedemptorisAlma Redemptoris
  2. 🔍 87% Alma RedemptorisAlma Redemptoris
  3. 🔍 20% Salve ReginaSalve Regina
  4. 🔍 16% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  5. 🔍 16% Ave Regina caelorumAve Regina caelorum
  6. 🔍 15% Salve ReginaSalve Regina
  7. 🔍 15% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  8. 🔍 14% Pater NosterPater Noster
  9. 🔍 12% Pater NosterPater Noster
  10. 🔍 12% Ti YpermakhoTi Ypermakho
  11. 🔍 12% Ave Regina caelorumAve Regina caelorum
  12. 🔍 12% Alma RedemptorisAlma Redemptoris
  13. 🔍 11% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  14. 🔍 11% In salutariIn salutari
  15. 🔍 11% Sinite parvulosSinite parvulos
  16. 🔍 10% Salve Regina (simple tone)Salve Regina (simple tone)
  17. 🔍 10% MemorareMemorare
  18. 🔍 10% Gloria (ad lib.) II.Gloria (ad lib.) II.
  19. 🔍 10% Salve Regina (simple tone)Salve Regina (simple tone)
  20. 🔍 10% ConvertereConvertere
  21. 🔍 10% Veniet Dominus et nonVeniet Dominus et non
  22. 🔍 10% Salve Regina (in cantu simplici)Salve Regina (in cantu simplici)
  23. 🔍 10% Alma RedemptorisAlma Redemptoris
  24. 🔍 10% Regina CaeliRegina Caeli
  25. 🔍 10% Alma RedemptorisAlma Redemptoris
  26. 🔍 10% Memento nostriMemento nostri
  27. 🔍 9% Cantate DominoCantate Domino
  28. 🔍 9% SenioresSeniores
  29. 🔍 9% SitientesSitientes
  30. 🔍 9% Ecce DeusEcce Deus
  31. 🔍 9% Agios ho TheosAgios ho Theos
  32. 🔍 9% Misereris omniumMisereris omnium
  33. 🔍 9% Ad te DomineAd te Domine
  34. 🔍 9% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  35. 🔍 9% Si diligis meSi diligis me
  36. 🔍 9% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  37. 🔍 9% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  38. 🔍 9% Salve MaterSalve Mater
  39. 🔍 9% Ti YpermakhoTi Ypermakho
  40. 🔍 9% Inclina DomineInclina Domine
  41. 🔍 9% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  42. 🔍 9% Salve MaterSalve Mater
  43. 🔍 9% Mittit ad VirginemMittit ad Virginem
  44. 🔍 9% TradideruntTradiderunt
  45. 🔍 9% Esto mihiEsto mihi
  46. 🔍 9% Gloria IVGloria IV
  47. 🔍 9% Simon JoannisSimon Joannis
  48. 🔍 9% Adoremus in aeternum IIAdoremus in aeternum II
  49. 🔍 9% Animam meamAnimam meam
  50. 🔍 9% Gaudete cum alleluiaGaudete cum alleluia
  51. 🔍 9% O MartineO Martine
  52. 🔍 9% Ego dixi Domine IIEgo dixi Domine II
  53. 🔍 9% Bonitas DominiBonitas Domini
  54. 🔍 9% Inimicitias ponamInimicitias ponam
  55. 🔍 9% Hodie beata VirgoHodie beata Virgo
  56. 🔍 9% Sicut ovisSicut ovis
  57. 🔍 9% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  58. 🔍 9% Gloria XVGloria XV
  59. 🔍 9% Petite cum AlleluiaPetite cum Alleluia
  60. 🔍 9% Benedicimus DeumBenedicimus Deum
  61. 🔍 9% In splendoribusIn splendoribus
  62. 🔍 9% Venite exsultemus IV* (ad lib)Venite exsultemus IV* (ad lib)
  63. 🔍 9% Laetare JerusalemLaetare Jerusalem
  64. 🔍 9% In paradisumIn paradisum
  65. 🔍 9% Dominus fortitudoDominus fortitudo