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% Gloriose PaterGloriose Pater
  2. 🔍 82% Pie PaterPie Pater
  3. 🔍 46% Pie presul et patrone HenricePie presul et patrone Henrice
  4. 🔍 44% Felix ex fructuFelix ex fructu
  5. 🔍 41% Magnificat (Visit. B. M. V.)Magnificat (Visit. B. M. V.)
  6. 🔍 27% LaudavitLaudavit
  7. 🔍 27% Cujus vitae sinceraCujus vitae sincera
  8. 🔍 26% Spinae rubentSpinae rubent
  9. 🔍 26% O radiosum liliumO radiosum lilium
  10. 🔍 26% O sacrum conviviumO sacrum convivium
  11. 🔍 26% Diadema spineumDiadema spineum
  12. 🔍 25% Pii vigilPii vigil
  13. 🔍 24% Mente jucundaMente jucunda
  14. 🔍 24% Candor aeternaeCandor aeternae
  15. 🔍 23% Agnus Dei IX (forma ordinaria)Agnus Dei IX (forma ordinaria)
  16. 🔍 23% OportebatOportebat
  17. 🔍 23% Gaude Mater PoloniaGaude Mater Polonia
  18. 🔍 23% Rogavi pro teRogavi pro te
  19. 🔍 22% Optime PaterOptime Pater
  20. 🔍 22% De quacumqueDe quacumque
  21. 🔍 22% Ave Maris Stella (2)Ave Maris Stella (2)
  22. 🔍 22% Juravit DominusJuravit Dominus
  23. 🔍 22% Dum tuas festoDum tuas festo
  24. 🔍 22% In martyris LaurentiiIn martyris Laurentii
  25. 🔍 22% Ave Maris Stella (Off. BMV in Sab. Alt.)Ave Maris Stella (Off. BMV in Sab. Alt.)
  26. 🔍 21% Juravit DominusJuravit Dominus
  27. 🔍 21% O virgo maximaO virgo maxima
  28. 🔍 21% Festum celebre martyrisFestum celebre martyris
  29. 🔍 21% Tui sunt caeliTui sunt caeli
  30. 🔍 21% Averte faciemAverte faciem
  31. 🔍 21% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  32. 🔍 21% Rex magneRex magne
  33. 🔍 21% O stuporO stupor
  34. 🔍 21% Viri GalilaeiViri Galilaei
  35. 🔍 21% Non illam cruciansNon illam crucians
  36. 🔍 21% Virginem castamVirginem castam
  37. 🔍 21% Kyrie XIXKyrie XIX
  38. 🔍 20% Vado ad eum... sed quiaVado ad eum... sed quia
  39. 🔍 20% Superne regum RexSuperne regum Rex
  40. 🔍 20% Concede nobis DomineConcede nobis Domine
  41. 🔍 20% En martyris LaurentiiEn martyris Laurentii
  42. 🔍 20% Martinae celebriMartinae celebri
  43. 🔍 20% In odoremIn odorem
  44. 🔍 20% Impleta gaudentImpleta gaudent
  45. 🔍 20% Martinae celebri plauditeMartinae celebri plaudite
  46. 🔍 20% Surrexit Pastor bonusSurrexit Pastor bonus
  47. 🔍 20% Lucis Creator optimeLucis Creator optime
  48. 🔍 20% O sacrum conviviumO sacrum convivium
  49. 🔍 20% Vitae novae praevia!Vitae novae praevia!
  50. 🔍 20% Lucis Creator optimeLucis Creator optime
  51. 🔍 20% Lauda anima meaLauda anima mea
  52. 🔍 20% Beata nobisBeata nobis
  53. 🔍 20% Haec est diesHaec est dies
  54. 🔍 19% AemulorAemulor
  55. 🔍 19% Regnum mundiRegnum mundi
  56. 🔍 19% Sicut oculiSicut oculi
  57. 🔍 19% Isti sunt duae olivaeIsti sunt duae olivae
  58. 🔍 19% StatuitStatuit
  59. 🔍 19% Simile est... hominiSimile est... homini
  60. 🔍 19% Spiritus DominiSpiritus Domini
  61. 🔍 19% Laetabitur justusLaetabitur justus
  62. 🔍 19% Agnus VAgnus V
  63. 🔍 19% Exaudi Domine... tibiExaudi Domine... tibi
  64. 🔍 19% Hymnum novaeHymnum novae
  65. 🔍 19% Exaudi Domine... tibiExaudi Domine... tibi