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% O salutaris HostiaO salutaris Hostia
  2. 🔍 64% O salutaris Hostia VO salutaris Hostia V
  3. 🔍 63% O Salutaris Hostia (Creator Alme)O Salutaris Hostia (Creator Alme)
  4. 🔍 62% O Salutaris Hostia III (cantus ad processiones)O Salutaris Hostia III (cantus ad processiones)
  5. 🔍 58% O salutaris Hostia IIO salutaris Hostia II
  6. 🔍 56% O Salutaris Hostia (Vexilla Regis)O Salutaris Hostia (Vexilla Regis)
  7. 🔍 56% O Salutaris Hostia VII (cantus ad processiones)O Salutaris Hostia VII (cantus ad processiones)
  8. 🔍 54% O salutaris Hostia IVO salutaris Hostia IV
  9. 🔍 54% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  10. 🔍 54% O salutaris Hostia IO salutaris Hostia I
  11. 🔍 53% O salutaris Hostia VIO salutaris Hostia VI
  12. 🔍 52% O salutaris Hostia IO salutaris Hostia I
  13. 🔍 52% O salutaris Hostia VIIO salutaris Hostia VII
  14. 🔍 50% O salutaris Hostia IIIO salutaris Hostia III
  15. 🔍 50% O salutaris Hostia IIO salutaris Hostia II
  16. 🔍 48% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  17. 🔍 48% O Salutaris Hostia II (cantus ad processiones)O Salutaris Hostia II (cantus ad processiones)
  18. 🔍 45% Jesu dulcisJesu dulcis
  19. 🔍 41% O salutaris Hostia IIIO salutaris Hostia III
  20. 🔍 38% O Salutaris HostiaO Salutaris Hostia
  21. 🔍 38% O salutaris HostiaO salutaris Hostia
  22. 🔍 30% Christe lux veraChriste lux vera
  23. 🔍 30% Ad preces nostrasAd preces nostras
  24. 🔍 29% Nocte surgentesNocte surgentes
  25. 🔍 25% Luminis fonsLuminis fons
  26. 🔍 24% Da nobis, DomineDa nobis, Domine
  27. 🔍 23% Verbum supernumVerbum supernum
  28. 🔍 23% Vita sanctorumVita sanctorum
  29. 🔍 23% Puer Nobis NasciturPuer Nobis Nascitur
  30. 🔍 23% Verbum supernum prodiensVerbum supernum prodiens
  31. 🔍 20% Virgo prudentumVirgo prudentum
  32. 🔍 20% Praefatio ferialis de Omnibus Sanctis et PatronisPraefatio ferialis de Omnibus Sanctis et Patronis
  33. 🔍 20% Calicem salutarisCalicem salutaris
  34. 🔍 20% Chorus novae IerusalemChorus novae Ierusalem
  35. 🔍 20% Eva virumEva virum
  36. 🔍 20% Verbum supernum prodiens necVerbum supernum prodiens nec
  37. 🔍 20% Dicamus laudes (In feriis)Dicamus laudes (In feriis)
  38. 🔍 19% Agnus XVIIAgnus XVII
  39. 🔍 19% O Catharina nobilis!O Catharina nobilis!
  40. 🔍 19% Da nobis DomineDa nobis Domine
  41. 🔍 19% Da nobisDa nobis
  42. 🔍 19% GaudeteGaudete
  43. 🔍 19% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  44. 🔍 19% Christe, vivens hostiaChriste, vivens hostia
  45. 🔍 19% Lux aeternaLux aeterna
  46. 🔍 19% Aeterna imago AltissimiAeterna imago Altissimi
  47. 🔍 19% Exsultet iam angelicaExsultet iam angelica
  48. 🔍 19% Laudes Crucis AttollamusLaudes Crucis Attollamus
  49. 🔍 19% Fratres alacri pectoreFratres alacri pectore
  50. 🔍 19% Memento nostriMemento nostri
  51. 🔍 19% Praefatio defunctorumPraefatio defunctorum
  52. 🔍 19% Ave lumenAve lumen
  53. 🔍 18% Veni Redemptor gentiumVeni Redemptor gentium
  54. 🔍 18% Quid trucesQuid truces
  55. 🔍 18% Veni praecelsa DominaVeni praecelsa Domina
  56. 🔍 18% Martyrum virtusMartyrum virtus
  57. 🔍 18% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  58. 🔍 18% Verbum supernum prodiensVerbum supernum prodiens
  59. 🔍 18% ExsurgeExsurge
  60. 🔍 18% Verbum salutis omniumVerbum salutis omnium
  61. 🔍 18% Salve mundi DominaSalve mundi Domina
  62. 🔍 18% Exsultet jam AngelicaExsultet jam Angelica
  63. 🔍 18% O sator rerumO sator rerum
  64. 🔍 18% Dicamus laudes (In festis)Dicamus laudes (In festis)
  65. 🔍 18% Lauda SionLauda Sion