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% Sacris solemniis (alter tonus)Sacris solemniis (alter tonus)
  2. 🔍 67% Sacris solemniisSacris solemniis
  3. 🔍 40% Sacris solemniis (another chant)Sacris solemniis (another chant)
  4. 🔍 26% Sacris solemniisSacris solemniis
  5. 🔍 24% Sacris SolemnisSacris Solemnis
  6. 🔍 23% Panis solemnisPanis solemnis
  7. 🔍 23% Stat cultrix vigilansStat cultrix vigilans
  8. 🔍 23% Panis angelicus IIPanis angelicus II
  9. 🔍 22% Sacris solemniisSacris solemniis
  10. 🔍 22% Nullis te genitorNullis te genitor
  11. 🔍 22% Sacris solemniisSacris solemniis
  12. 🔍 21% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  13. 🔍 21% InviolataInviolata
  14. 🔍 21% Luce divinaLuce divina
  15. 🔍 21% Lutum fecitLutum fecit
  16. 🔍 21% Exsultet caelum (IV)Exsultet caelum (IV)
  17. 🔍 20% Sacris SolemnisSacris Solemnis
  18. 🔍 20% Immensa et unaImmensa et una
  19. 🔍 20% Ecce jam noctis tenuatur (Alter tonus)Ecce jam noctis tenuatur (Alter tonus)
  20. 🔍 20% InviolataInviolata
  21. 🔍 19% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  22. 🔍 19% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  23. 🔍 19% Te lucis ante terminum (Passiontide)Te lucis ante terminum (Passiontide)
  24. 🔍 19% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  25. 🔍 19% Gaudeamus exsultantesGaudeamus exsultantes
  26. 🔍 19% Te lucis ante terminum (Temp. Passionis)Te lucis ante terminum (Temp. Passionis)
  27. 🔍 19% O lux beata TrinitasO lux beata Trinitas
  28. 🔍 19% Exsultet orbis gaudiisExsultet orbis gaudiis
  29. 🔍 19% Gloria VIIGloria VII
  30. 🔍 18% Solemnitas gloriosaeSolemnitas gloriosae
  31. 🔍 18% Exsultet orbis gaudiisExsultet orbis gaudiis
  32. 🔍 18% O lux beata TrinitasO lux beata Trinitas
  33. 🔍 18% Te lucis ante terminum (In Quadragesima)Te lucis ante terminum (In Quadragesima)
  34. 🔍 18% Exsultet caelum (III)Exsultet caelum (III)
  35. 🔍 18% Te lucis ante terminum (In Fer. et Fest. Simpl.)Te lucis ante terminum (In Fer. et Fest. Simpl.)
  36. 🔍 18% Miserere mei... secundumMiserere mei... secundum
  37. 🔍 18% Exsultet caelum (I)Exsultet caelum (I)
  38. 🔍 18% O castitatis signiferO castitatis signifer
  39. 🔍 18% Festivis resonent compitaFestivis resonent compita
  40. 🔍 18% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  41. 🔍 18% O sator rerumO sator rerum
  42. 🔍 18% Te lucis ante terminum (Lent)Te lucis ante terminum (Lent)
  43. 🔍 18% Te lucis ante terminum (In tempore Passionis)Te lucis ante terminum (In tempore Passionis)
  44. 🔍 17% Tu Trinitatis UnitasTu Trinitatis Unitas
  45. 🔍 17% LaudibusLaudibus
  46. 🔍 17% Regina mundiRegina mundi
  47. 🔍 17% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  48. 🔍 17% Te lucis ante terminum (In Tempore Paschali)Te lucis ante terminum (In Tempore Paschali)
  49. 🔍 17% Te lucis ante terminum (in dominicis per annum)Te lucis ante terminum (in dominicis per annum)
  50. 🔍 17% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  51. 🔍 17% Commune vos apostoliCommune vos apostoli
  52. 🔍 17% Iste quem laeti colimusIste quem laeti colimus
  53. 🔍 17% Cor amandum SalvatorisCor amandum Salvatoris
  54. 🔍 17% Defecerunt prae lacrimisDefecerunt prae lacrimis
  55. 🔍 17% Jam sol receditJam sol recedit
  56. 🔍 17% Fidelis DominusFidelis Dominus
  57. 🔍 17% Jam sol receditJam sol recedit
  58. 🔍 17% Felix namqueFelix namque
  59. 🔍 17% Te nostra laetisTe nostra laetis
  60. 🔍 17% Fidelis DominusFidelis Dominus
  61. 🔍 17% Exsultet jam AngelicaExsultet jam Angelica
  62. 🔍 17% Regali solioRegali solio
  63. 🔍 17% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  64. 🔍 17% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  65. 🔍 17% Te lucis ante terminum (In Dom. et Minor. Festis per Annum)Te lucis ante terminum (In Dom. et Minor. Festis per Annum)