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% Pie PaterPie Pater
  2. 🔍 82% Gloriose PaterGloriose Pater
  3. 🔍 51% 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% O radiosum liliumO radiosum lilium
  7. 🔍 24% OportebatOportebat
  8. 🔍 24% Diadema spineumDiadema spineum
  9. 🔍 24% LaudavitLaudavit
  10. 🔍 23% Rogavi pro teRogavi pro te
  11. 🔍 22% Cujus vitae sinceraCujus vitae sincera
  12. 🔍 22% Pie PaterPie Pater
  13. 🔍 22% Juravit DominusJuravit Dominus
  14. 🔍 22% Kyrie XIXKyrie XIX
  15. 🔍 21% Spinae rubentSpinae rubent
  16. 🔍 21% Optime PaterOptime Pater
  17. 🔍 21% O sacrum conviviumO sacrum convivium
  18. 🔍 21% Juravit DominusJuravit Dominus
  19. 🔍 21% Ave Maris Stella (2)Ave Maris Stella (2)
  20. 🔍 21% Gaude Mater PoloniaGaude Mater Polonia
  21. 🔍 21% Tui sunt caeliTui sunt caeli
  22. 🔍 20% De quacumqueDe quacumque
  23. 🔍 20% O beata AgnesO beata Agnes
  24. 🔍 20% Averte faciemAverte faciem
  25. 🔍 20% Pii vigilPii vigil
  26. 🔍 20% Ave Maris Stella (Off. BMV in Sab. Alt.)Ave Maris Stella (Off. BMV in Sab. Alt.)
  27. 🔍 19% Lucis Creator optimeLucis Creator optime
  28. 🔍 19% Concede nobis DomineConcede nobis Domine
  29. 🔍 19% O stuporO stupor
  30. 🔍 19% Candor aeternaeCandor aeternae
  31. 🔍 19% O sacrum conviviumO sacrum convivium
  32. 🔍 19% Mente jucundaMente jucunda
  33. 🔍 19% Lucis Creator optimeLucis Creator optime
  34. 🔍 19% In martyris LaurentiiIn martyris Laurentii
  35. 🔍 19% Viri GalilaeiViri Galilaei
  36. 🔍 19% Vado ad eum... sed quiaVado ad eum... sed quia
  37. 🔍 19% Tu natale solum protegeTu natale solum protege
  38. 🔍 19% Virginitas caelumVirginitas caelum
  39. 🔍 19% Rex magneRex magne
  40. 🔍 19% Auditui meoAuditui meo
  41. 🔍 19% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  42. 🔍 19% Benedicat vobisBenedicat vobis
  43. 🔍 19% Regnum mundiRegnum mundi
  44. 🔍 19% Dum tuas festoDum tuas festo
  45. 🔍 19% Exsurge DomineExsurge Domine
  46. 🔍 18% In odoremIn odorem
  47. 🔍 18% Ascendit DeusAscendit Deus
  48. 🔍 18% DispersitDispersit
  49. 🔍 18% Lauda anima meaLauda anima mea
  50. 🔍 18% Surrexit Christus et illuxitSurrexit Christus et illuxit
  51. 🔍 18% Festum celebre martyrisFestum celebre martyris
  52. 🔍 18% Tu natale solumTu natale solum
  53. 🔍 18% Martinae celebriMartinae celebri
  54. 🔍 18% Non illam cruciansNon illam crucians
  55. 🔍 18% Surrexit Christus et illuxitSurrexit Christus et illuxit
  56. 🔍 18% Beata nobisBeata nobis
  57. 🔍 18% Christus passus estChristus passus est
  58. 🔍 18% AemulorAemulor
  59. 🔍 18% Exaudi Domine... tibiExaudi Domine... tibi
  60. 🔍 18% Virginem castamVirginem castam
  61. 🔍 18% Superne regum RexSuperne regum Rex
  62. 🔍 18% Factus es spes meaFactus es spes mea
  63. 🔍 18% Simile est... hominiSimile est... homini
  64. 🔍 18% Exaudi Domine... tibiExaudi Domine... tibi
  65. 🔍 18% Lucis Creator optimeLucis Creator optime