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% Factus ergo PresbyterFactus ergo Presbyter
  2. 🔍 25% O castitatis signiferO castitatis signifer
  3. 🔍 25% Pro eo... erisPro eo... eris
  4. 🔍 25% Fortitudo mea... factusFortitudo mea... factus
  5. 🔍 24% Ascendente JesuAscendente Jesu
  6. 🔍 24% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  7. 🔍 24% Immensa et unaImmensa et una
  8. 🔍 23% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  9. 🔍 23% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  10. 🔍 23% Dum Jesus factusDum Jesus factus
  11. 🔍 23% Iste est qui pro legeIste est qui pro lege
  12. 🔍 22% Inclina cor meumInclina cor meum
  13. 🔍 22% Eodem temporeEodem tempore
  14. 🔍 22% Tu Trinitatis UnitasTu Trinitatis Unitas
  15. 🔍 22% Pro eo... inquitPro eo... inquit
  16. 🔍 22% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  17. 🔍 22% Maria ergoMaria ergo
  18. 🔍 22% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  19. 🔍 22% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  20. 🔍 22% OmnipotentiOmnipotenti
  21. 🔍 22% Miserere mei... secundumMiserere mei... secundum
  22. 🔍 22% Inclina cor meumInclina cor meum
  23. 🔍 22% Summae Deus clementiae septemSummae Deus clementiae septem
  24. 🔍 22% Audit tyrannus anxiusAudit tyrannus anxius
  25. 🔍 22% Te Deum (Simple tone)Te Deum (Simple tone)
  26. 🔍 22% Regali solio fortisRegali solio fortis
  27. 🔍 22% Regali solioRegali solio
  28. 🔍 22% Rerum omniumRerum omnium
  29. 🔍 21% Martyr Dei qui unicumMartyr Dei qui unicum
  30. 🔍 21% Virgo Maria... similisVirgo Maria... similis
  31. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 21% MirabileMirabile
  33. 🔍 21% Serve nequamServe nequam
  34. 🔍 21% Regali solio fortisRegali solio fortis
  35. 🔍 21% Comperta autemComperta autem
  36. 🔍 21% Credo ICredo I
  37. 🔍 21% Gaudent in caelisGaudent in caelis
  38. 🔍 21% Miserere mei... secundumMiserere mei... secundum
  39. 🔍 21% Ave mundi spes MariaAve mundi spes Maria
  40. 🔍 20% O admirabile commerciumO admirabile commercium
  41. 🔍 20% Martyr Dei, qui unicumMartyr Dei, qui unicum
  42. 🔍 20% Invicte Martyr unicumInvicte Martyr unicum
  43. 🔍 20% O lux beata TrinitasO lux beata Trinitas
  44. 🔍 20% Credo IICredo II
  45. 🔍 20% Jam sol receditJam sol recedit
  46. 🔍 20% Jam sol receditJam sol recedit
  47. 🔍 20% Ave Maria... virgo serenaAve Maria... virgo serena
  48. 🔍 20% Ecce iam venitEcce iam venit
  49. 🔍 20% Felix namqueFelix namque
  50. 🔍 20% Summae Parens clementiaeSummae Parens clementiae
  51. 🔍 20% O quam gloriosum est regnumO quam gloriosum est regnum
  52. 🔍 20% O lux beata TrinitasO lux beata Trinitas
  53. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 20% Te Matrem laudamusTe Matrem laudamus
  55. 🔍 20% Dele iniquitatemDele iniquitatem
  56. 🔍 20% In medio EcclesiaeIn medio Ecclesiae
  57. 🔍 20% O lux et decusO lux et decus
  58. 🔍 20% Candens virgoCandens virgo
  59. 🔍 20% Maria ergo unxitMaria ergo unxit
  60. 🔍 20% Hymnus Te DeumHymnus Te Deum
  61. 🔍 20% Venite exultemus IV GVenite exultemus IV G
  62. 🔍 20% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  63. 🔍 20% Tulit ergoTulit ergo
  64. 🔍 20% Laudate... secundumLaudate... secundum
  65. 🔍 20% O quam suavisO quam suavis