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. 🔍 18% Salve ReginaSalve Regina
  4. 🔍 17% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  5. 🔍 15% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  6. 🔍 15% Salve ReginaSalve Regina
  7. 🔍 14% Pater NosterPater Noster
  8. 🔍 13% Ti YpermakhoTi Ypermakho
  9. 🔍 13% Ave Regina caelorumAve Regina caelorum
  10. 🔍 12% Pater NosterPater Noster
  11. 🔍 11% Ave Regina caelorumAve Regina caelorum
  12. 🔍 9% Regina CaeliRegina Caeli
  13. 🔍 9% Simon JoannisSimon Joannis
  14. 🔍 9% Hodie beata VirgoHodie beata Virgo
  15. 🔍 9% Gaudete cum alleluiaGaudete cum alleluia
  16. 🔍 9% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  17. 🔍 9% Agnus Dei VIIIAgnus Dei VIII
  18. 🔍 9% Cantate DominoCantate Domino
  19. 🔍 9% Domine fortitudoDomine fortitudo
  20. 🔍 9% Regina CaeliRegina Caeli
  21. 🔍 9% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  22. 🔍 8% Benedicimus DeumBenedicimus Deum
  23. 🔍 8% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  24. 🔍 8% SenioresSeniores
  25. 🔍 8% In salutariIn salutari
  26. 🔍 8% Bonitas DominiBonitas Domini
  27. 🔍 8% Alma RedemptorisAlma Redemptoris
  28. 🔍 8% Posuerunt mortalia (Com.)Posuerunt mortalia (Com.)
  29. 🔍 8% Ecce Dominus venietEcce Dominus veniet
  30. 🔍 8% Erit vobisErit vobis
  31. 🔍 8% Petite cum AlleluiaPetite cum Alleluia
  32. 🔍 8% Gloria (ad lib.) II.Gloria (ad lib.) II.
  33. 🔍 8% GloriabunturGloriabuntur
  34. 🔍 8% Sinite parvulosSinite parvulos
  35. 🔍 8% Ecce virgoEcce virgo
  36. 🔍 8% In splendoribusIn splendoribus
  37. 🔍 8% O crux splendidiorO crux splendidior
  38. 🔍 8% Sedebit DominusSedebit Dominus
  39. 🔍 8% Laetare JerusalemLaetare Jerusalem
  40. 🔍 8% Gaudete sine AlleluiaGaudete sine Alleluia
  41. 🔍 8% Domus meaDomus mea
  42. 🔍 8% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  43. 🔍 8% Agios ho TheosAgios ho Theos
  44. 🔍 8% O quam gloriosum est regnumO quam gloriosum est regnum
  45. 🔍 8% Ecce DeusEcce Deus
  46. 🔍 8% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  47. 🔍 8% Beati qui custodiuntBeati qui custodiunt
  48. 🔍 8% Sicut ovisSicut ovis
  49. 🔍 8% Alma Redemptoris (simple tone)Alma Redemptoris (simple tone)
  50. 🔍 8% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  51. 🔍 8% TradideruntTradiderunt
  52. 🔍 8% Inimicitias ponamInimicitias ponam
  53. 🔍 8% Memento nostriMemento nostri
  54. 🔍 7% Ecce vidimus Ecce vidimus
  55. 🔍 7% Loquere DomineLoquere Domine
  56. 🔍 7% Loquere DomineLoquere Domine
  57. 🔍 7% Salus populiSalus populi
  58. 🔍 7% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  59. 🔍 7% Populum humilemPopulum humilem
  60. 🔍 7% Adoremus in aeternum IIAdoremus in aeternum II
  61. 🔍 7% Erat autem aspectusErat autem aspectus
  62. 🔍 7% Regnum mundiRegnum mundi
  63. 🔍 7% Vultum tuumVultum tuum
  64. 🔍 7% Psallite DominoPsallite Domino
  65. 🔍 7% O quam gloriosum estO quam gloriosum est