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% Felix es sacraFelix es sacra
  2. 🔍 81% Felix es sacraFelix es sacra
  3. 🔍 55% Felix esFelix es
  4. 🔍 39% Porta caeliPorta caeli
  5. 🔍 26% Tibi Christe splendor PatrisTibi Christe splendor Patris
  6. 🔍 25% Gaude Maria VirgoGaude Maria Virgo
  7. 🔍 25% Suscepimus (Tract.)Suscepimus (Tract.)
  8. 🔍 24% Gabrielem veneremurGabrielem veneremur
  9. 🔍 24% In te DomineIn te Domine
  10. 🔍 23% Nimis honorati suntNimis honorati sunt
  11. 🔍 23% Jam non dicamJam non dicam
  12. 🔍 23% Ecce sacerdosEcce sacerdos
  13. 🔍 23% Felix es sacra VirgoFelix es sacra Virgo
  14. 🔍 22% MagnificatMagnificat
  15. 🔍 22% Domine secundum actumDomine secundum actum
  16. 🔍 22% Domine Deus... qui repertusDomine Deus... qui repertus
  17. 🔍 22% Felix namqueFelix namque
  18. 🔍 22% Descendit JesusDescendit Jesus
  19. 🔍 22% Tu gloria JerusalemTu gloria Jerusalem
  20. 🔍 22% Domine Deus... vidi cumDomine Deus... vidi cum
  21. 🔍 22% Gaude Maria VirgoGaude Maria Virgo
  22. 🔍 22% Tu gloria Jerusalem (Tract)Tu gloria Jerusalem (Tract)
  23. 🔍 22% Beata es VirgoBeata es Virgo
  24. 🔍 21% Dum novus hic MoysesDum novus hic Moyses
  25. 🔍 21% Tibi Redemptor omniumTibi Redemptor omnium
  26. 🔍 21% Stans autem JesusStans autem Jesus
  27. 🔍 21% Benedictus esBenedictus es
  28. 🔍 21% Te Deum PatremTe Deum Patrem
  29. 🔍 21% Laetare caelum desuperLaetare caelum desuper
  30. 🔍 21% Nunc dimittisNunc dimittis
  31. 🔍 21% Fundamenta ejusFundamenta ejus
  32. 🔍 21% Tu gloriaTu gloria
  33. 🔍 21% AnnuntiaviAnnuntiavi
  34. 🔍 21% Ab ortu solisAb ortu solis
  35. 🔍 21% Notus in JudaeaNotus in Judaea
  36. 🔍 21% Salus populiSalus populi
  37. 🔍 21% Ab ortu solisAb ortu solis
  38. 🔍 20% Exiens JesusExiens Jesus
  39. 🔍 20% Ad te levaviAd te levavi
  40. 🔍 20% Cor meumCor meum
  41. 🔍 20% AntoninusAntoninus
  42. 🔍 20% In te DomineIn te Domine
  43. 🔍 20% ExspectabamExspectabam
  44. 🔍 20% Inclina cor meumInclina cor meum
  45. 🔍 20% Felix namque esFelix namque es
  46. 🔍 20% Aeterne Rex altissimeAeterne Rex altissime
  47. 🔍 20% Virga JesseVirga Jesse
  48. 🔍 20% Qui lacrimatusQui lacrimatus
  49. 🔍 20% Auctor salutisAuctor salutis
  50. 🔍 20% Gaudeamus... assumptioneGaudeamus... assumptione
  51. 🔍 20% Auctor salutis uniceAuctor salutis unice
  52. 🔍 20% O vos aethereiO vos aetherei
  53. 🔍 20% DesideriumDesiderium
  54. 🔍 20% Felix namque esFelix namque es
  55. 🔍 20% Sperent in teSperent in te
  56. 🔍 20% Sperent in teSperent in te
  57. 🔍 20% HolocaustumHolocaustum
  58. 🔍 19% Vir celse forma fulgidaVir celse forma fulgida
  59. 🔍 19% Omnes gentes plaudite (All)Omnes gentes plaudite (All)
  60. 🔍 19% Domine DeusDomine Deus
  61. 🔍 19% Nunc dimittisNunc dimittis
  62. 🔍 19% Ante sex diesAnte sex dies
  63. 🔍 19% Exsultet orbis gaudiisExsultet orbis gaudiis
  64. 🔍 19% Dicamus laudes (In festis)Dicamus laudes (In festis)
  65. 🔍 19% Egredimini (S. Rita)Egredimini (S. Rita)