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% Crux fidelisCrux fidelis
  2. 🔍 77% Crux fidelisCrux fidelis
  3. 🔍 73% Crux fidelisCrux fidelis
  4. 🔍 65% En acetumEn acetum
  5. 🔍 63% Lustra sex qui jamLustra sex qui jam
  6. 🔍 63% Lustris sex qui jam peractisLustris sex qui jam peractis
  7. 🔍 63% Lustris sex qui jam peractis ( Primus versus tantum notatus)Lustris sex qui jam peractis ( Primus versus tantum notatus)
  8. 🔍 63% En acetumEn acetum
  9. 🔍 51% Crux fidelisCrux fidelis
  10. 🔍 50% Pange lingua... proeliumPange lingua... proelium
  11. 🔍 49% Pange lingua... LaureamPange lingua... Lauream
  12. 🔍 48% Pange Lingua... ProeliumPange Lingua... Proelium
  13. 🔍 47% O quot undis lacrimarumO quot undis lacrimarum
  14. 🔍 40% Pange lingua... PraeliumPange lingua... Praelium
  15. 🔍 39% Crux fidelisCrux fidelis
  16. 🔍 39% Lustris sex (tonus Pange lingua...Corporis)Lustris sex (tonus Pange lingua...Corporis)
  17. 🔍 34% Pange lingua... praeliumPange lingua... praelium
  18. 🔍 32% Crux fidelisCrux fidelis
  19. 🔍 29% Jesu auctor clementiaeJesu auctor clementiae
  20. 🔍 28% O Crux splendidiorO Crux splendidior
  21. 🔍 28% Ex more docti mysticoEx more docti mystico
  22. 🔍 28% Vexilla ChristusVexilla Christus
  23. 🔍 28% O crux admirabilisO crux admirabilis
  24. 🔍 27% O crux gloriosaO crux gloriosa
  25. 🔍 27% Pange lingua... PraeliumPange lingua... Praelium
  26. 🔍 27% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  27. 🔍 27% En ut superba criminumEn ut superba criminum
  28. 🔍 26% O Crux splendidiorO Crux splendidior
  29. 🔍 26% O crux splendidiorO crux splendidior
  30. 🔍 26% Te saeculorum PrincipemTe saeculorum Principem
  31. 🔍 26% Pange lingua... LaureamPange lingua... Lauream
  32. 🔍 26% Pange lingua... LaureamPange lingua... Lauream
  33. 🔍 26% Sacris SolemnisSacris Solemnis
  34. 🔍 26% Panis solemnisPanis solemnis
  35. 🔍 26% Cor arca legem continensCor arca legem continens
  36. 🔍 26% Crux alma fulgetCrux alma fulget
  37. 🔍 26% O Crux, splendidiorO Crux, splendidior
  38. 🔍 26% Salvete, Christi vulneraSalvete, Christi vulnera
  39. 🔍 25% Salve Crux sanctaSalve Crux sancta
  40. 🔍 25% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  41. 🔍 25% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  42. 🔍 25% Implente munus debitumImplente munus debitum
  43. 🔍 25% Te Joseph celebrentTe Joseph celebrent
  44. 🔍 25% Te IosephTe Ioseph
  45. 🔍 24% Te saeculorum principemTe saeculorum principem
  46. 🔍 24% Nunc tempus acceptabileNunc tempus acceptabile
  47. 🔍 24% Te Joseph celebrentTe Joseph celebrent
  48. 🔍 24% O crux benedicta quaeO crux benedicta quae
  49. 🔍 24% Salve virilis pectorisSalve virilis pectoris
  50. 🔍 24% Ex more docti MysticoEx more docti Mystico
  51. 🔍 24% Quem terra pontus aetheraQuem terra pontus aethera
  52. 🔍 24% Christe Redemptor omniumChriste Redemptor omnium
  53. 🔍 24% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  54. 🔍 24% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  55. 🔍 24% Implente munusImplente munus
  56. 🔍 24% Ternis ter horisTernis ter horis
  57. 🔍 24% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  58. 🔍 24% Auctor beate saeculiAuctor beate saeculi
  59. 🔍 24% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  60. 🔍 24% Crux fidelisCrux fidelis
  61. 🔍 23% Qua Christus hora sitiitQua Christus hora sitiit
  62. 🔍 23% Vexilla Christus inclytaVexilla Christus inclyta
  63. 🔍 23% Laudes Crucis AttollamusLaudes Crucis Attollamus
  64. 🔍 23% Ad cenamAd cenam
  65. 🔍 23% O MartineO Martine