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% Ecce jam noctisEcce jam noctis
  2. 🔍 69% Ecce iam noctisEcce iam noctis
  3. 🔍 57% Ecce jam noctis tenuaturEcce jam noctis tenuatur
  4. 🔍 51% Ecce jam noctis tenuatur (Alter tonus)Ecce jam noctis tenuatur (Alter tonus)
  5. 🔍 42% Ecce jamEcce jam
  6. 🔍 42% Ecce jamEcce jam
  7. 🔍 40% Iam ChristusIam Christus
  8. 🔍 40% Jam Christus astraJam Christus astra
  9. 🔍 39% Gloria IGloria I
  10. 🔍 38% Legis sacrataeLegis sacratae
  11. 🔍 38% Veni Creator (1983/1934)Veni Creator (1983/1934)
  12. 🔍 38% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  13. 🔍 38% Ex more docti mysticoEx more docti mystico
  14. 🔍 37% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  15. 🔍 37% Felix per omnesFelix per omnes
  16. 🔍 37% Gloria IIGloria II
  17. 🔍 37% Candor aeternaeCandor aeternae
  18. 🔍 36% Veni Creator SpiritusVeni Creator Spiritus
  19. 🔍 36% Quos Dei vivaxQuos Dei vivax
  20. 🔍 35% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  21. 🔍 35% Ex more docti MysticoEx more docti Mystico
  22. 🔍 35% Qua Christus hora sitiitQua Christus hora sitiit
  23. 🔍 35% Veni Creator SpiritusVeni Creator Spiritus
  24. 🔍 35% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  25. 🔍 34% Ecce iam noctisEcce iam noctis
  26. 🔍 34% Nunc tempus acceptabileNunc tempus acceptabile
  27. 🔍 34% Festum celebre martyrisFestum celebre martyris
  28. 🔍 34% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  29. 🔍 34% Christe pastorumChriste pastorum
  30. 🔍 34% Virginis proles (III)Virginis proles (III)
  31. 🔍 34% Nocte surgentesNocte surgentes
  32. 🔍 34% Fortis en praesulFortis en praesul
  33. 🔍 33% Jam Christus astra ascenderatJam Christus astra ascenderat
  34. 🔍 33% Dei fideDei fide
  35. 🔍 33% Laetare caelum desuperLaetare caelum desuper
  36. 🔍 33% Rex gloriose MartyrumRex gloriose Martyrum
  37. 🔍 33% O Roma felixO Roma felix
  38. 🔍 33% Jesu nostra redemptioJesu nostra redemptio
  39. 🔍 33% Urbis aeterne celebresUrbis aeterne celebres
  40. 🔍 32% Rex gloriose martyrumRex gloriose martyrum
  41. 🔍 32% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  42. 🔍 32% Gloria XIIIGloria XIII
  43. 🔍 32% Iste confessor (III)Iste confessor (III)
  44. 🔍 32% Veni Creator SpiritusVeni Creator Spiritus
  45. 🔍 32% Legifer prudensLegifer prudens
  46. 🔍 32% Cohors beata SeraphimCohors beata Seraphim
  47. 🔍 32% Ex more docti mysticoEx more docti mystico
  48. 🔍 32% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  49. 🔍 32% Tu Trinitatis UnitasTu Trinitatis Unitas
  50. 🔍 32% Rex glorioseRex gloriose
  51. 🔍 32% Dicamus laudes DominoDicamus laudes Domino
  52. 🔍 32% Christe pastorum (Pro Episcopo)Christe pastorum (Pro Episcopo)
  53. 🔍 32% Iste Confessorum Domini (in Feriis secundis)Iste Confessorum Domini (in Feriis secundis)
  54. 🔍 32% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  55. 🔍 32% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  56. 🔍 32% Miserere mei... secundumMiserere mei... secundum
  57. 🔍 32% Dum tuas festoDum tuas festo
  58. 🔍 32% Benedicta semperBenedicta semper
  59. 🔍 32% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  60. 🔍 31% Gloria VIGloria VI
  61. 🔍 31% Exsultet iam angelicaExsultet iam angelica
  62. 🔍 31% Aeterna caeli gloria (in Hieme)Aeterna caeli gloria (in Hieme)
  63. 🔍 31% Gloria IGloria I
  64. 🔍 31% Gloria XIIIGloria XIII
  65. 🔍 31% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)