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% Elias homo eratElias homo erat
  2. 🔍 40% Vir eratVir erat
  3. 🔍 35% Vir eratVir erat
  4. 🔍 31% Amor Jesu dulcissimeAmor Jesu dulcissime
  5. 🔍 31% Quicumque ChristumQuicumque Christum
  6. 🔍 31% Jesus refulsit omniumJesus refulsit omnium
  7. 🔍 31% Vir eratVir erat
  8. 🔍 30% A Patre UnigeniteA Patre Unigenite
  9. 🔍 29% Lux alma JesuLux alma Jesu
  10. 🔍 29% Vir erat (verses)Vir erat (verses)
  11. 🔍 27% Protege DomineProtege Domine
  12. 🔍 25% Hodie nobis de caeloHodie nobis de caelo
  13. 🔍 25% Benedictus es Domine DeusBenedictus es Domine Deus
  14. 🔍 25% Vir erat (verses, rhythmic signs)Vir erat (verses, rhythmic signs)
  15. 🔍 25% Protege DomineProtege Domine
  16. 🔍 24% Caelestis formam gloriaeCaelestis formam gloriae
  17. 🔍 24% Salutis humanae SatorSalutis humanae Sator
  18. 🔍 24% Quando orabasQuando orabas
  19. 🔍 24% Protege DomineProtege Domine
  20. 🔍 24% Signum crucisSignum crucis
  21. 🔍 24% O gloriosa DominaO gloriosa Domina
  22. 🔍 23% Venite exultemus IV GVenite exultemus IV G
  23. 🔍 23% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  24. 🔍 23% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  25. 🔍 23% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  26. 🔍 23% Benedicta sit sanctaBenedicta sit sancta
  27. 🔍 23% O lux salutis nuntiaO lux salutis nuntia
  28. 🔍 23% Jesu Fili summi PatrisJesu Fili summi Patris
  29. 🔍 23% Vir eratVir erat
  30. 🔍 23% O beata infantiaO beata infantia
  31. 🔍 22% Animam meam dilectamAnimam meam dilectam
  32. 🔍 22% Adorna Sion ThalamumAdorna Sion Thalamum
  33. 🔍 22% Benedictus esBenedictus es
  34. 🔍 22% Quicumque ChristumQuicumque Christum
  35. 🔍 22% Protege DomineProtege Domine
  36. 🔍 22% Iam lucis orto sidere Iam lucis orto sidere
  37. 🔍 22% Quicumque Christum quaeritisQuicumque Christum quaeritis
  38. 🔍 22% Ingressus RaphaelIngressus Raphael
  39. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  40. 🔍 22% Dedit seDedit se
  41. 🔍 21% Jesu nostra redemptioJesu nostra redemptio
  42. 🔍 21% Dilectio DeiDilectio Dei
  43. 🔍 21% Docebit nosDocebit nos
  44. 🔍 21% Missus Gabriel de coelisMissus Gabriel de coelis
  45. 🔍 21% Locuti suntLocuti sunt
  46. 🔍 21% CollegeruntCollegerunt
  47. 🔍 21% Domine non secundumDomine non secundum
  48. 🔍 21% Praecessor almusPraecessor almus
  49. 🔍 21% Fortem piumqueFortem piumque
  50. 🔍 21% Beata es Virgo Maria DeiBeata es Virgo Maria Dei
  51. 🔍 21% Cantate DominoCantate Domino
  52. 🔍 21% Miserere (Ps 50)Miserere (Ps 50)
  53. 🔍 21% Cor arca legem continensCor arca legem continens
  54. 🔍 20% Per memetipsum juraviPer memetipsum juravi
  55. 🔍 20% O nata lux de lumineO nata lux de lumine
  56. 🔍 20% Sic Patres vitamSic Patres vitam
  57. 🔍 20% Magno receptans pectoreMagno receptans pectore
  58. 🔍 20% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  59. 🔍 20% Vidi aquamVidi aquam
  60. 🔍 20% Quem quaeritis in praesepioQuem quaeritis in praesepio
  61. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  62. 🔍 20% Lectio libri GenesisLectio libri Genesis
  63. 🔍 20% Auctor beate saeculiAuctor beate saeculi
  64. 🔍 20% Quem quaeritis in praesepioQuem quaeritis in praesepio
  65. 🔍 20% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)