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% Descendit de caelis DeusDescendit de caelis Deus
  2. 🔍 51% Tria sunt muneraTria sunt munera
  3. 🔍 49% Felix namque esFelix namque es
  4. 🔍 43% Transite ad meTransite ad me
  5. 🔍 43% Descendit de caelisDescendit de caelis
  6. 🔍 36% Gloria Patri (mode VI)Gloria Patri (mode VI)
  7. 🔍 36% Judaea et JerusalemJudaea et Jerusalem
  8. 🔍 35% Gloria Patri (mode I)Gloria Patri (mode I)
  9. 🔍 35% Clama in fortitudineClama in fortitudine
  10. 🔍 34% Verbum caro factum est ... allel.Verbum caro factum est ... allel.
  11. 🔍 32% Descendit de caelis (Resp.)Descendit de caelis (Resp.)
  12. 🔍 31% Legis sacrataeLegis sacratae
  13. 🔍 31% Aspice DomineAspice Domine
  14. 🔍 31% Decora lux aeternitatisDecora lux aeternitatis
  15. 🔍 31% Beata AgathaBeata Agatha
  16. 🔍 31% Decora lux aeternitatisDecora lux aeternitatis
  17. 🔍 31% Gloria Patri - IGloria Patri - I
  18. 🔍 31% Sigum magnumSigum magnum
  19. 🔍 30% Veni Redemptor gentiumVeni Redemptor gentium
  20. 🔍 30% Felix namque esFelix namque es
  21. 🔍 30% O spem miramO spem miram
  22. 🔍 30% O spem miramO spem miram
  23. 🔍 30% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  24. 🔍 29% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  25. 🔍 29% Data est mihiData est mihi
  26. 🔍 29% Rex summe regumRex summe regum
  27. 🔍 29% Venite exultemus IV GVenite exultemus IV G
  28. 🔍 29% Ecce ego JoannesEcce ego Joannes
  29. 🔍 29% Veni Sancte SpiritusVeni Sancte Spiritus
  30. 🔍 29% Igitur perfecti suntIgitur perfecti sunt
  31. 🔍 29% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  32. 🔍 29% Gloria XIIIGloria XIII
  33. 🔍 29% O lux beata TrinitasO lux beata Trinitas
  34. 🔍 29% Beate Pastor PetreBeate Pastor Petre
  35. 🔍 29% A solis ortusA solis ortus
  36. 🔍 29% Ecce mitto Angelum meum (Resp.)Ecce mitto Angelum meum (Resp.)
  37. 🔍 28% Aspice Domine de sedeAspice Domine de sede
  38. 🔍 28% Gloria VIIGloria VII
  39. 🔍 28% Te nostra laetisTe nostra laetis
  40. 🔍 28% Magnus sanctus PaulusMagnus sanctus Paulus
  41. 🔍 28% Beate Pastor PetreBeate Pastor Petre
  42. 🔍 28% Praeclara qua tu gloriaPraeclara qua tu gloria
  43. 🔍 28% Felix per omnesFelix per omnes
  44. 🔍 28% Sanctificavit (verses)Sanctificavit (verses)
  45. 🔍 28% Cohors beata SeraphimCohors beata Seraphim
  46. 🔍 28% Gloriosus Dei amicusGloriosus Dei amicus
  47. 🔍 28% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  48. 🔍 28% Emitte SpiritumEmitte Spiritum
  49. 🔍 28% Relucens inter principesRelucens inter principes
  50. 🔍 28% O castitatis signiferO castitatis signifer
  51. 🔍 28% Apostolorum passio diemApostolorum passio diem
  52. 🔍 28% Jesu nostraJesu nostra
  53. 🔍 28% Vexilla Regis (Tempore Passionis)Vexilla Regis (Tempore Passionis)
  54. 🔍 27% Vexilla Regis (with all original stanzas)Vexilla Regis (with all original stanzas)
  55. 🔍 27% Vexilla Regis (Exaltatio Sanctae Crucis)Vexilla Regis (Exaltatio Sanctae Crucis)
  56. 🔍 27% Inter natosInter natos
  57. 🔍 27% Exaudi Domine... adjutorExaudi Domine... adjutor
  58. 🔍 27% TestTest
  59. 🔍 27% Immensa et unaImmensa et una
  60. 🔍 27% Vexilla Regis (Inventio Sanctae Crucis)Vexilla Regis (Inventio Sanctae Crucis)
  61. 🔍 27% Descendit JesusDescendit Jesus
  62. 🔍 27% Vexilla Regis prodeuntVexilla Regis prodeunt
  63. 🔍 27% Auctor beate saeculiAuctor beate saeculi
  64. 🔍 27% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  65. 🔍 27% Vexilla Regis prodeuntVexilla Regis prodeunt