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% Invicte MartyrInvicte Martyr
  2. 🔍 85% Invicte Martyr unicumInvicte Martyr unicum
  3. 🔍 64% Martyr Dei qui unicumMartyr Dei qui unicum
  4. 🔍 63% Martyr Dei, qui unicumMartyr Dei, qui unicum
  5. 🔍 49% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  6. 🔍 45% Martyr Dei qui unicumMartyr Dei qui unicum
  7. 🔍 42% Martyr DeiMartyr Dei
  8. 🔍 42% Martyr Dei (I)Martyr Dei (I)
  9. 🔍 42% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  10. 🔍 42% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  11. 🔍 41% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  12. 🔍 41% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  13. 🔍 41% O lux beata TrinitasO lux beata Trinitas
  14. 🔍 40% Audit tyrannus anxiusAudit tyrannus anxius
  15. 🔍 40% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  16. 🔍 40% Credo IICredo II
  17. 🔍 39% Tu Trinitatis UnitasTu Trinitatis Unitas
  18. 🔍 38% Tu Trinitatis UnitasTu Trinitatis Unitas
  19. 🔍 37% Legis sacrataeLegis sacratae
  20. 🔍 37% Tu Trinitatis unitasTu Trinitatis unitas
  21. 🔍 37% Inclina cor meumInclina cor meum
  22. 🔍 37% Immensa et unaImmensa et una
  23. 🔍 36% Jesu dulcis memoria!Jesu dulcis memoria!
  24. 🔍 36% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  25. 🔍 36% O castitatis signiferO castitatis signifer
  26. 🔍 36% Inclina cor meumInclina cor meum
  27. 🔍 36% Gloria IIGloria II
  28. 🔍 36% O lux beata TrinitasO lux beata Trinitas
  29. 🔍 36% Laetare caelum desuperLaetare caelum desuper
  30. 🔍 35% Miserere mei... secundumMiserere mei... secundum
  31. 🔍 35% Quodcumque vinclisQuodcumque vinclis
  32. 🔍 35% Credo (Missa Regia I)Credo (Missa Regia I)
  33. 🔍 35% Jam sol receditJam sol recedit
  34. 🔍 35% Inclina cor meumInclina cor meum
  35. 🔍 35% Martyr Dei (III)Martyr Dei (III)
  36. 🔍 35% Jam lucis orto sidere (Dominicis per Annum)Jam lucis orto sidere (Dominicis per Annum)
  37. 🔍 35% Quicumque certumQuicumque certum
  38. 🔍 35% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  39. 🔍 35% Venite exultemus IV GVenite exultemus IV G
  40. 🔍 35% O lux beata TrinitasO lux beata Trinitas
  41. 🔍 35% Jam sol receditJam sol recedit
  42. 🔍 35% Sicut oculiSicut oculi
  43. 🔍 34% Misericordias DominiMisericordias Domini
  44. 🔍 34% Credo I.Credo I.
  45. 🔍 34% LaetabundusLaetabundus
  46. 🔍 34% A solis ortusA solis ortus
  47. 🔍 34% Hymnus Te DeumHymnus Te Deum
  48. 🔍 34% Gloria VIIGloria VII
  49. 🔍 34% Fortem virili pectoreFortem virili pectore
  50. 🔍 34% Aeterne rerum conditorAeterne rerum conditor
  51. 🔍 34% Ubi caritasUbi caritas
  52. 🔍 34% Jam sol recedit igneusJam sol recedit igneus
  53. 🔍 33% Credo Missa RegiaCredo Missa Regia
  54. 🔍 33% Aeterne rerum Conditor (Dox£. Deo Patri)Aeterne rerum Conditor (Dox£. Deo Patri)
  55. 🔍 33% Ubi caritas est veraUbi caritas est vera
  56. 🔍 33% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  57. 🔍 33% Felix per omnesFelix per omnes
  58. 🔍 33% Summae Deus clementiae septemSummae Deus clementiae septem
  59. 🔍 33% Nunc Sancte nobis (In Festo Corporis Christi)Nunc Sancte nobis (In Festo Corporis Christi)
  60. 🔍 33% Nunc Sancte nobis (in Nativitate Domini)Nunc Sancte nobis (in Nativitate Domini)
  61. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  62. 🔍 33% Jam lucis orto sidere (In Festo Corporis Christi)Jam lucis orto sidere (In Festo Corporis Christi)
  63. 🔍 33% Venite exsultemus IV**Venite exsultemus IV**
  64. 🔍 33% Auctor salutisAuctor salutis
  65. 🔍 33% Summae Parens clementiaeSummae Parens clementiae