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% Annuntiavi justitiamAnnuntiavi justitiam
  2. 🔍 45% Pacifice loquebanturPacifice loquebantur
  3. 🔍 44% Aquae multaeAquae multae
  4. 🔍 42% Justus cum cecideritJustus cum ceciderit
  5. 🔍 41% Ego sapientiaEgo sapientia
  6. 🔍 40% Anima... sicut passerAnima... sicut passer
  7. 🔍 40% Prudentes VirginesPrudentes Virgines
  8. 🔍 40% Beatus quicumqueBeatus quicumque
  9. 🔍 40% Da nobis DeusDa nobis Deus
  10. 🔍 38% Sederunt principesSederunt principes
  11. 🔍 38% Ego dixi DomineEgo dixi Domine
  12. 🔍 38% Discerne causamDiscerne causam
  13. 🔍 37% Locus isteLocus iste
  14. 🔍 37% In Deo confisumIn Deo confisum
  15. 🔍 37% Domine in lumineDomine in lumine
  16. 🔍 36% Misit DominusMisit Dominus
  17. 🔍 36% Unam petii... Ut... visitemUnam petii... Ut... visitem
  18. 🔍 35% Bonum est confiteriBonum est confiteri
  19. 🔍 35% Unam petii... Ut... protegarUnam petii... Ut... protegar
  20. 🔍 35% Ostende nobisOstende nobis
  21. 🔍 35% Unam petii... BeatiUnam petii... Beati
  22. 🔍 35% ExsultabitExsultabit
  23. 🔍 34% Tecum principiumTecum principium
  24. 🔍 34% Christus factus estChristus factus est
  25. 🔍 34% Ne avertasNe avertas
  26. 🔍 34% Tribulationes cordisTribulationes cordis
  27. 🔍 34% Quinque prudentes (Com.)Quinque prudentes (Com.)
  28. 🔍 34% Suscepimus Deus (Grad.)Suscepimus Deus (Grad.)
  29. 🔍 34% Ecce sacerdosEcce sacerdos
  30. 🔍 34% Benedic anima meaBenedic anima mea
  31. 🔍 34% In Deo speravitIn Deo speravit
  32. 🔍 33% Justorum anime (Grad.)Justorum anime (Grad.)
  33. 🔍 33% Justus ut palmaJustus ut palma
  34. 🔍 33% Anima... sustinetAnima... sustinet
  35. 🔍 33% Propitius esto (Grad.)Propitius esto (Grad.)
  36. 🔍 33% Haec dies... BenedictusHaec dies... Benedictus
  37. 🔍 33% Bonum est confidereBonum est confidere
  38. 🔍 33% Salve dies dierum gloriaSalve dies dierum gloria
  39. 🔍 32% Exsultabunt sancti (Grad.)Exsultabunt sancti (Grad.)
  40. 🔍 32% Excita DomineExcita Domine
  41. 🔍 32% Pontifex sacerdosPontifex sacerdos
  42. 🔍 32% Deus... qui perfecitDeus... qui perfecit
  43. 🔍 32% Respice DomineRespice Domine
  44. 🔍 32% Beatus vir qui timet (All.)Beatus vir qui timet (All.)
  45. 🔍 32% Haec dies... DexteraHaec dies... Dextera
  46. 🔍 31% Qui ambulatQui ambulat
  47. 🔍 31% Tollite portasTollite portas
  48. 🔍 31% Qui operatus estQui operatus est
  49. 🔍 31% Domine Dominus nosterDomine Dominus noster
  50. 🔍 31% Haec dies... LapidemHaec dies... Lapidem
  51. 🔍 31% Confiteor tibiConfiteor tibi
  52. 🔍 31% Timebunt gentesTimebunt gentes
  53. 🔍 31% Populus acquisitionisPopulus acquisitionis
  54. 🔍 31% Propter veritatemPropter veritatem
  55. 🔍 31% Liberabit pauperemLiberabit pauperem
  56. 🔍 31% Haec dies... ConfiteminiHaec dies... Confitemini
  57. 🔍 31% Haec dies... Dicant nuncHaec dies... Dicant nunc
  58. 🔍 31% Exaltabo teExaltabo te
  59. 🔍 30% Requiem (Grad.)Requiem (Grad.)
  60. 🔍 30% Ab occultis meisAb occultis meis
  61. 🔍 30% DeriventurDeriventur
  62. 🔍 30% Protector nosterProtector noster
  63. 🔍 30% Justi decantaveruntJusti decantaverunt
  64. 🔍 30% Laetare JerusalemLaetare Jerusalem
  65. 🔍 30% Esto mihiEsto mihi