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% Martinus Abrahae sinuMartinus Abrahae sinu
  2. 🔍 71% Martinus Abrahae sinuMartinus Abrahae sinu
  3. 🔍 71% Martinus Abrahae sinuMartinus Abrahae sinu
  4. 🔍 69% Martinus Abrahae sinuMartinus Abrahae sinu
  5. 🔍 44% Martinus AbrahaeMartinus Abrahae
  6. 🔍 40% Gaude SionGaude Sion
  7. 🔍 29% O MartineO Martine
  8. 🔍 28% A solis ortusA solis ortus
  9. 🔍 28% Hostis HerodesHostis Herodes
  10. 🔍 27% Elegit... virumElegit... virum
  11. 🔍 26% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  12. 🔍 26% Veni Redemptor gentiumVeni Redemptor gentium
  13. 🔍 26% Non omnisNon omnis
  14. 🔍 25% Beatus MartinusBeatus Martinus
  15. 🔍 25% Laetare caelum desuperLaetare caelum desuper
  16. 🔍 25% Dantur ergo laudesDantur ergo laudes
  17. 🔍 25% Tu gloria... o RosaTu gloria... o Rosa
  18. 🔍 25% O lux et decusO lux et decus
  19. 🔍 25% Pauper hicPauper hic
  20. 🔍 24% Beati martyresBeati martyres
  21. 🔍 24% A solis ortus cardineA solis ortus cardine
  22. 🔍 24% In nomine Jesu (ps. Laudate)In nomine Jesu (ps. Laudate)
  23. 🔍 24% Ecce positusEcce positus
  24. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  25. 🔍 24% Admonitus in somnis IosephAdmonitus in somnis Ioseph
  26. 🔍 24% MirabileMirabile
  27. 🔍 24% Salvete Christi vulneraSalvete Christi vulnera
  28. 🔍 24% Venite exultemus IV GVenite exultemus IV G
  29. 🔍 24% Deus tuorum militumDeus tuorum militum
  30. 🔍 23% Virginis CatharinaeVirginis Catharinae
  31. 🔍 23% Hic est vere MartyrHic est vere Martyr
  32. 🔍 23% Suscitabit DominusSuscitabit Dominus
  33. 🔍 23% Deus tuorum militumDeus tuorum militum
  34. 🔍 23% Paulus... TerentianumPaulus... Terentianum
  35. 🔍 23% Hodie caelestiHodie caelesti
  36. 🔍 23% Beata es MariaBeata es Maria
  37. 🔍 23% Ne timeas... invenistiNe timeas... invenisti
  38. 🔍 23% Rex Christe Martini decusRex Christe Martini decus
  39. 🔍 23% Pacificus vocabiturPacificus vocabitur
  40. 🔍 23% In medio EcclesiaeIn medio Ecclesiae
  41. 🔍 23% Deus tuorum militumDeus tuorum militum
  42. 🔍 23% Adonai Domine DeusAdonai Domine Deus
  43. 🔍 23% Deus tuorum militumDeus tuorum militum
  44. 🔍 23% Ne timeasNe timeas
  45. 🔍 23% Ex ejus tumbaEx ejus tumba
  46. 🔍 23% O beatum pontificemO beatum pontificem
  47. 🔍 23% Ne timeas... invenistiNe timeas... invenisti
  48. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  49. 🔍 23% O MartineO Martine
  50. 🔍 23% Admonitus in somnis IosephAdmonitus in somnis Ioseph
  51. 🔍 23% O PetreO Petre
  52. 🔍 23% Deus tuorum militumDeus tuorum militum
  53. 🔍 23% Tu gloria Jerusalem (I)Tu gloria Jerusalem (I)
  54. 🔍 22% Exsultabo in JerusalemExsultabo in Jerusalem
  55. 🔍 22% Martyr Dei, qui unicumMartyr Dei, qui unicum
  56. 🔍 22% Martyr Dei qui unicumMartyr Dei qui unicum
  57. 🔍 22% Deus misereaturDeus misereatur
  58. 🔍 22% Crudelis HerodesCrudelis Herodes
  59. 🔍 22% Solemnitas gloriosaeSolemnitas gloriosae
  60. 🔍 22% Crudelis HerodesCrudelis Herodes
  61. 🔍 22% Et factum estEt factum est
  62. 🔍 22% Descendit hic justificatusDescendit hic justificatus
  63. 🔍 22% Rabbi quid peccavitRabbi quid peccavit
  64. 🔍 22% Parvulus filiusParvulus filius
  65. 🔍 22% Christus JesusChristus Jesus