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% Summae Deus clementiae septemSummae Deus clementiae septem
  2. 🔍 73% Summae Deus clementiae septemSummae Deus clementiae septem
  3. 🔍 70% Summae Deus clementiaeSummae Deus clementiae
  4. 🔍 69% Summae Deus clementiae septemSummae Deus clementiae septem
  5. 🔍 68% Summae Deus clemtiaeSummae Deus clemtiae
  6. 🔍 45% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  7. 🔍 45% Veni Redemptor gentiumVeni Redemptor gentium
  8. 🔍 45% A solis ortusA solis ortus
  9. 🔍 44% O castitatis signiferO castitatis signifer
  10. 🔍 44% Jesu dulcis memoria!Jesu dulcis memoria!
  11. 🔍 43% Immensa et unaImmensa et una
  12. 🔍 43% O lux beata CaelitumO lux beata Caelitum
  13. 🔍 42% Venite exultemus IV GVenite exultemus IV G
  14. 🔍 42% Summae Parens clementiaeSummae Parens clementiae
  15. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 42% Laetare caelum desuperLaetare caelum desuper
  17. 🔍 42% Salvete Christi vulneraSalvete Christi vulnera
  18. 🔍 42% Hostis HerodesHostis Herodes
  19. 🔍 41% O lux beata CaelitumO lux beata Caelitum
  20. 🔍 41% O lux beata CaelitumO lux beata Caelitum
  21. 🔍 41% Christe caelorum DomineChriste caelorum Domine
  22. 🔍 41% O lux beata CaelitumO lux beata Caelitum
  23. 🔍 41% Audit tyrannus anxiusAudit tyrannus anxius
  24. 🔍 40% Salvete Christi vulneraSalvete Christi vulnera
  25. 🔍 39% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  26. 🔍 39% O gente felix hospitaO gente felix hospita
  27. 🔍 39% Rector potens verax Deus (Septem Dolorum)Rector potens verax Deus (Septem Dolorum)
  28. 🔍 39% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  29. 🔍 39% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  30. 🔍 39% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  31. 🔍 38% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  32. 🔍 38% Salvete Christi vulneraSalvete Christi vulnera
  33. 🔍 38% Rerum Deus (in Festo Septem Dolorum BMV)Rerum Deus (in Festo Septem Dolorum BMV)
  34. 🔍 38% Rector potens (in Festo Septem Dolorum BMV)Rector potens (in Festo Septem Dolorum BMV)
  35. 🔍 38% Te lucis ante terminum (Septem Dolorum)Te lucis ante terminum (Septem Dolorum)
  36. 🔍 38% Rerum Deus tenax vigor (Septem Dolorum)Rerum Deus tenax vigor (Septem Dolorum)
  37. 🔍 38% Martyr Dei, qui unicumMartyr Dei, qui unicum
  38. 🔍 37% O lux beata TrinitasO lux beata Trinitas
  39. 🔍 37% Martyr Dei qui unicumMartyr Dei qui unicum
  40. 🔍 37% Auctor beate saeculiAuctor beate saeculi
  41. 🔍 37% Veni Creator SpiritusVeni Creator Spiritus
  42. 🔍 37% En ut superbaEn ut superba
  43. 🔍 37% Tu Trinitatis UnitasTu Trinitatis Unitas
  44. 🔍 37% Ex more docti mysticoEx more docti mystico
  45. 🔍 37% Jam sol receditJam sol recedit
  46. 🔍 37% Summi Parentis FilioSummi Parentis Filio
  47. 🔍 37% Legis sacrataeLegis sacratae
  48. 🔍 36% Rex gloriose MartyrumRex gloriose Martyrum
  49. 🔍 36% Jam sol receditJam sol recedit
  50. 🔍 36% Exsultet jam AngelicaExsultet jam Angelica
  51. 🔍 36% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  52. 🔍 36% Ternis ter horisTernis ter horis
  53. 🔍 36% Felix per omnesFelix per omnes
  54. 🔍 36% Auctor salutisAuctor salutis
  55. 🔍 36% O lux beata TrinitasO lux beata Trinitas
  56. 🔍 36% Cor arca legem continens (another chant)Cor arca legem continens (another chant)
  57. 🔍 36% Deus tuorum militumDeus tuorum militum
  58. 🔍 36% Quicumque certumQuicumque certum
  59. 🔍 36% Aeterne sol qui lumineAeterne sol qui lumine
  60. 🔍 36% Tu Trinitatis UnitasTu Trinitatis Unitas
  61. 🔍 36% Tibi Redemptor omniumTibi Redemptor omnium
  62. 🔍 36% Qua Christus hora sitiitQua Christus hora sitiit
  63. 🔍 35% Deus tuorum militumDeus tuorum militum
  64. 🔍 35% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  65. 🔍 35% Gentis redemptaeGentis redemptae