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: 2025-12-20. 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% Iste quem laetiIste quem laeti
  2. 🔍 88% Itse quem laetiItse quem laeti
  3. 🔍 88% Iste quem laetiIste quem laeti
  4. 🔍 81% Iste quem laeti colimusIste quem laeti colimus
  5. 🔍 47% Sacra jam splendentSacra jam splendent
  6. 🔍 44% Eia festivisEia festivis
  7. 🔍 42% Iste quem laetiIste quem laeti
  8. 🔍 39% Dulce fit nobisDulce fit nobis
  9. 🔍 38% Quod chorusQuod chorus
  10. 🔍 37% Sacris SolemnisSacris Solemnis
  11. 🔍 36% Te gratulantesTe gratulantes
  12. 🔍 36% Panis solemnisPanis solemnis
  13. 🔍 35% Hymnus Te DeumHymnus Te Deum
  14. 🔍 35% Sanctorum meritisSanctorum meritis
  15. 🔍 34% Veni Creator SpiritusVeni Creator Spiritus
  16. 🔍 33% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  17. 🔍 33% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  18. 🔍 33% Te beata sponsa ChristiTe beata sponsa Christi
  19. 🔍 33% Terrena cessent organaTerrena cessent organa
  20. 🔍 33% Nunc ad coronas pergiteNunc ad coronas pergite
  21. 🔍 33% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 33% Hymnus Te DeumHymnus Te Deum
  23. 🔍 33% Gentis redemptaeGentis redemptae
  24. 🔍 33% Telluris omnes incolaeTelluris omnes incolae
  25. 🔍 33% Exsultet iam angelicaExsultet iam angelica
  26. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  28. 🔍 32% Sacris solemniisSacris solemniis
  29. 🔍 32% Nunc coronas pergiteNunc coronas pergite
  30. 🔍 32% Precemur omnes cernuiPrecemur omnes cernui
  31. 🔍 32% Telluris omnes incolaeTelluris omnes incolae
  32. 🔍 32% Roma Petro GlorieturRoma Petro Glorietur
  33. 🔍 32% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  34. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 32% O lux beata CaelitumO lux beata Caelitum
  36. 🔍 31% Te DeumTe Deum
  37. 🔍 31% Venite Exsultemus VIIVenite Exsultemus VII
  38. 🔍 31% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  39. 🔍 31% Aurora caelumAurora caelum
  40. 🔍 31% Te DeumTe Deum
  41. 🔍 31% Caeli civesCaeli cives
  42. 🔍 31% Jesu corona virginumJesu corona virginum
  43. 🔍 31% Summae Deus clementiae septemSummae Deus clementiae septem
  44. 🔍 31% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  45. 🔍 31% Benedicta semperBenedicta semper
  46. 🔍 31% Sanctorum meritisSanctorum meritis
  47. 🔍 31% Virginis ProlesVirginis Proles
  48. 🔍 31% O gente felix hospitaO gente felix hospita
  49. 🔍 31% Te Matrem laudamusTe Matrem laudamus
  50. 🔍 31% Credo ICredo I
  51. 🔍 30% Virginis ProlesVirginis Proles
  52. 🔍 30% Gertrudis arca NuminisGertrudis arca Numinis
  53. 🔍 30% Venite exsultemus IVVenite exsultemus IV
  54. 🔍 30% Aeterne sol qui lumineAeterne sol qui lumine
  55. 🔍 30% Ex more docti mysticoEx more docti mystico
  56. 🔍 30% Aeterni Patris UniceAeterni Patris Unice
  57. 🔍 30% Corde natus ex ParentisCorde natus ex Parentis
  58. 🔍 30% Jam noctis umbrae conciduntJam noctis umbrae concidunt
  59. 🔍 30% Venite exultemus IIIVenite exultemus III
  60. 🔍 30% Lauda SionLauda Sion
  61. 🔍 30% Gloria XIIIGloria XIII
  62. 🔍 30% Te DeumTe Deum
  63. 🔍 30% Veni Creator (1983/1934)Veni Creator (1983/1934)
  64. 🔍 30% Optatus votis omniumOptatus votis omnium
  65. 🔍 30% Beata caeli regiaBeata caeli regia