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% Salve ReginaSalve Regina
  2. 🔍 82% Salve ReginaSalve Regina
  3. 🔍 37% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  4. 🔍 32% Ave Regina caelorumAve Regina caelorum
  5. 🔍 30% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  6. 🔍 28% Pater NosterPater Noster
  7. 🔍 24% Ave Regina caelorumAve Regina caelorum
  8. 🔍 22% Pater NosterPater Noster
  9. 🔍 21% Gloria Patri (Regia)Gloria Patri (Regia)
  10. 🔍 20% Tes presvies tis TheotokuTes presvies tis Theotoku
  11. 🔍 20% Alma RedemptorisAlma Redemptoris
  12. 🔍 18% In nomine PatrisIn nomine Patris
  13. 🔍 15% Agios ho TheosAgios ho Theos
  14. 🔍 15% Ti YpermakhoTi Ypermakho
  15. 🔍 15% Alma RedemptorisAlma Redemptoris
  16. 🔍 14% Gloria Patri (Regia)Gloria Patri (Regia)
  17. 🔍 13% Qui me dignatus est (Com.)Qui me dignatus est (Com.)
  18. 🔍 13% Gloria (ad lib.) II.Gloria (ad lib.) II.
  19. 🔍 13% Salve Regina (simple tone)Salve Regina (simple tone)
  20. 🔍 13% Simon JoannisSimon Joannis
  21. 🔍 13% Fili quid fecisti (Com.)Fili quid fecisti (Com.)
  22. 🔍 13% Agnus Dei VIIIAgnus Dei VIII
  23. 🔍 13% Simon Joannis (+ T.P.)Simon Joannis (+ T.P.)
  24. 🔍 13% Tes presvies tis TheotokuTes presvies tis Theotoku
  25. 🔍 13% Cantate DominoCantate Domino
  26. 🔍 13% Inimicitias ponamInimicitias ponam
  27. 🔍 13% Populum humilemPopulum humilem
  28. 🔍 13% In nomine PatrisIn nomine Patris
  29. 🔍 13% GloriabunturGloriabuntur
  30. 🔍 13% Bonitas DominiBonitas Domini
  31. 🔍 12% Salus populiSalus populi
  32. 🔍 12% Hodie beata VirgoHodie beata Virgo
  33. 🔍 12% Dominus fortitudoDominus fortitudo
  34. 🔍 12% In splendoribusIn splendoribus
  35. 🔍 12% Virgo parens ChristiVirgo parens Christi
  36. 🔍 12% Esto mihiEsto mihi
  37. 🔍 12% Erit vobisErit vobis
  38. 🔍 12% Salve Regina (in cantu simplici)Salve Regina (in cantu simplici)
  39. 🔍 12% Petite cum AlleluiaPetite cum Alleluia
  40. 🔍 12% Sinite parvulosSinite parvulos
  41. 🔍 12% Sedebit DominusSedebit Dominus
  42. 🔍 12% Memento nostriMemento nostri
  43. 🔍 12% Domine fortitudoDomine fortitudo
  44. 🔍 12% Mittit ad VirginemMittit ad Virginem
  45. 🔍 12% Vultum tuumVultum tuum
  46. 🔍 12% Salve Regina (simple tone)Salve Regina (simple tone)
  47. 🔍 12% Gaudete cum alleluiaGaudete cum alleluia
  48. 🔍 11% SanctificavitSanctificavit
  49. 🔍 11% Summi Parentis FilioSummi Parentis Filio
  50. 🔍 11% Ecce Dominus venietEcce Dominus veniet
  51. 🔍 11% In salutariIn salutari
  52. 🔍 11% Beati qui custodiuntBeati qui custodiunt
  53. 🔍 11% Ego dixi Domine IIEgo dixi Domine II
  54. 🔍 11% SitientesSitientes
  55. 🔍 11% Domus meaDomus mea
  56. 🔍 11% Posuisti Domine (Com.)Posuisti Domine (Com.)
  57. 🔍 11% Domine convertereDomine convertere
  58. 🔍 11% Surrexit Dominus et apparuit (Com.)Surrexit Dominus et apparuit (Com.)
  59. 🔍 11% Adoremus in aeternum IIAdoremus in aeternum II
  60. 🔍 11% Ingressus AaronIngressus Aaron
  61. 🔍 11% BenedictaBenedicta
  62. 🔍 11% Laetare JerusalemLaetare Jerusalem
  63. 🔍 11% TradideruntTradiderunt
  64. 🔍 11% O quam gloriosum est regnumO quam gloriosum est regnum
  65. 🔍 11% SenioresSeniores