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% Super Solium DavidSuper Solium David
  2. 🔍 51% Ecce virgo concipiet (t.p.)Ecce virgo concipiet (t.p.)
  3. 🔍 51% Ecce virgo concipietEcce virgo concipiet
  4. 🔍 49% Post peccatumPost peccatum
  5. 🔍 37% Iste cognovitIste cognovit
  6. 🔍 36% Iste cognovitIste cognovit
  7. 🔍 36% Diligebat Jesus JoannemDiligebat Jesus Joannem
  8. 🔍 35% In omni tribulationeIn omni tribulatione
  9. 🔍 34% Caecilia me misitCaecilia me misit
  10. 🔍 34% Intuemini quantusIntuemini quantus
  11. 🔍 33% Vos qui aliquandoVos qui aliquando
  12. 🔍 32% Egredietur Dominus de SamariaEgredietur Dominus de Samaria
  13. 🔍 32% Ecce Virgo concipiet (Resp.)Ecce Virgo concipiet (Resp.)
  14. 🔍 32% Spiritus Sanctus procedensSpiritus Sanctus procedens
  15. 🔍 31% Doctor bonusDoctor bonus
  16. 🔍 31% Videte qualemVidete qualem
  17. 🔍 31% Haec est arborHaec est arbor
  18. 🔍 31% Ecce vir GabrielEcce vir Gabriel
  19. 🔍 31% Hodie nata estHodie nata est
  20. 🔍 31% Veni sponsa ChristiVeni sponsa Christi
  21. 🔍 30% Magna enimMagna enim
  22. 🔍 30% Ecce Dominus veniet cum splendoreEcce Dominus veniet cum splendore
  23. 🔍 30% Laudabo nomen tuumLaudabo nomen tuum
  24. 🔍 30% Dum steteritisDum steteritis
  25. 🔍 29% O magnum mysteriumO magnum mysterium
  26. 🔍 29% AdaperiatAdaperiat
  27. 🔍 29% Si enim non abieroSi enim non abiero
  28. 🔍 29% Fecit meFecit me
  29. 🔍 29% Veniens a LibanoVeniens a Libano
  30. 🔍 29% Super solium DavidSuper solium David
  31. 🔍 29% Diligebat eum JesusDiligebat eum Jesus
  32. 🔍 29% Peccavi super numerumPeccavi super numerum
  33. 🔍 27% Me oportet minuiMe oportet minui
  34. 🔍 27% Super solium DavidSuper solium David
  35. 🔍 27% Angelus Domini descendit... AzariaAngelus Domini descendit... Azaria
  36. 🔍 27% Praeparate corda vestraPraeparate corda vestra
  37. 🔍 27% Toni Communes Ad Gloria Patri (Modo III)Toni Communes Ad Gloria Patri (Modo III)
  38. 🔍 27% Ingressus Angelus ad TobiamIngressus Angelus ad Tobiam
  39. 🔍 26% Mox ut vocemMox ut vocem
  40. 🔍 26% Congratulamini mihi...quia quem (t.p.)Congratulamini mihi...quia quem (t.p.)
  41. 🔍 26% Dicit mater JesuDicit mater Jesu
  42. 🔍 26% Aedificavit Noe altare (Resp.)Aedificavit Noe altare (Resp.)
  43. 🔍 26% Misericordiam et judiciumMisericordiam et judicium
  44. 🔍 26% Rogavi DominumRogavi Dominum
  45. 🔍 26% O beata CaeciliaO beata Caecilia
  46. 🔍 25% Isti sunt Sancti qui passi suntIsti sunt Sancti qui passi sunt
  47. 🔍 25% Super solium DavidSuper solium David
  48. 🔍 25% Super solium DavidSuper solium David
  49. 🔍 25% Quis dabit capiti meo aquamQuis dabit capiti meo aquam
  50. 🔍 25% Ecce nunc tempusEcce nunc tempus
  51. 🔍 25% Redemit DominusRedemit Dominus
  52. 🔍 24% Angelus DominiAngelus Domini
  53. 🔍 24% Angelus Domini descenditAngelus Domini descendit
  54. 🔍 24% Super solium DavidSuper solium David
  55. 🔍 24% Vidi speciosamVidi speciosam
  56. 🔍 24% Salvatorem expectamusSalvatorem expectamus
  57. 🔍 24% Ego rogabo PatremEgo rogabo Patrem
  58. 🔍 24% Gloria et honoreGloria et honore
  59. 🔍 23% Spiritus Sanctus procedensSpiritus Sanctus procedens
  60. 🔍 23% Adonai DomineAdonai Domine
  61. 🔍 23% Exsulta satisExsulta satis
  62. 🔍 23% Devastavit vineam (Resp.)Devastavit vineam (Resp.)
  63. 🔍 23% Virtute magna (TP)Virtute magna (TP)
  64. 🔍 23% Lux perpetua lucebit Sanctis tuisLux perpetua lucebit Sanctis tuis
  65. 🔍 23% Magna enim suntMagna enim sunt