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% Convocatis Jesus duodecimConvocatis Jesus duodecim
  2. 🔍 81% ConvocatisConvocatis
  3. 🔍 76% Convocatis Jesus duodecim ApostolisConvocatis Jesus duodecim Apostolis
  4. 🔍 68% Convocatis Iesus duodecimConvocatis Iesus duodecim
  5. 🔍 59% Convocatis Iesus duodecim Convocatis Iesus duodecim
  6. 🔍 36% Alleluia Omnes GentesAlleluia Omnes Gentes
  7. 🔍 35% Omnes GentesOmnes Gentes
  8. 🔍 33% In ferventis oleiIn ferventis olei
  9. 🔍 33% Alleluia LaudateAlleluia Laudate
  10. 🔍 33% In ferventisIn ferventis
  11. 🔍 32% In ferventis oleiIn ferventis olei
  12. 🔍 32% Factum est in unaFactum est in una
  13. 🔍 32% In regenerationeIn regeneratione
  14. 🔍 32% Salus et gloria - mode IVSalus et gloria - mode IV
  15. 🔍 32% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  16. 🔍 32% Exsurgat DeusExsurgat Deus
  17. 🔍 32% Apostolorum passio diemApostolorum passio diem
  18. 🔍 31% Te nostra laetisTe nostra laetis
  19. 🔍 31% In regenerationeIn regeneratione
  20. 🔍 30% Commune vos apostoliCommune vos apostoli
  21. 🔍 30% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  22. 🔍 30% Ternis horarum terminisTernis horarum terminis
  23. 🔍 30% Et audientes discipuliEt audientes discipuli
  24. 🔍 30% Relucens inter principesRelucens inter principes
  25. 🔍 30% Egressi duodecimEgressi duodecim
  26. 🔍 29% Stans autem JesusStans autem Jesus
  27. 🔍 29% Stans autem JesusStans autem Jesus
  28. 🔍 29% Cohors beata SeraphimCohors beata Seraphim
  29. 🔍 29% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  30. 🔍 29% Dedit Iesus virtutemDedit Iesus virtutem
  31. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  32. 🔍 29% Qui luce splendesQui luce splendes
  33. 🔍 29% Ecce jam noctisEcce jam noctis
  34. 🔍 29% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  35. 🔍 29% Dixit Jesus: Ut sciatisDixit Jesus: Ut sciatis
  36. 🔍 29% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  37. 🔍 29% Haec est diesHaec est dies
  38. 🔍 29% Venite omnes adoremusVenite omnes adoremus
  39. 🔍 28% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  40. 🔍 28% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  41. 🔍 28% Legis sacrataeLegis sacratae
  42. 🔍 28% Jesu Fili summi PatrisJesu Fili summi Patris
  43. 🔍 28% Mater ChristiMater Christi
  44. 🔍 28% Hodie Simon PetrusHodie Simon Petrus
  45. 🔍 28% Hodie Simon PetrusHodie Simon Petrus
  46. 🔍 28% Exsultet orbis gaudiisExsultet orbis gaudiis
  47. 🔍 28% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  48. 🔍 28% Credo ICredo I
  49. 🔍 28% Quicumque Christum quaeritisQuicumque Christum quaeritis
  50. 🔍 28% Sacerdotes sanctiSacerdotes sancti
  51. 🔍 28% Te Deum PatremTe Deum Patrem
  52. 🔍 28% Intuens in caelumIntuens in caelum
  53. 🔍 28% ModicumModicum
  54. 🔍 27% Gloria IGloria I
  55. 🔍 27% Dicamus laudes DominoDicamus laudes Domino
  56. 🔍 27% Et incipiens a MoyseEt incipiens a Moyse
  57. 🔍 27% Descendit Jesus (I)Descendit Jesus (I)
  58. 🔍 27% Certum tenentes ordinemCertum tenentes ordinem
  59. 🔍 27% Certum tenentes ordinemCertum tenentes ordinem
  60. 🔍 27% Qui luce splendesQui luce splendes
  61. 🔍 27% Certum tenentes ordinem (T Adventus)Certum tenentes ordinem (T Adventus)
  62. 🔍 27% Praeclara qua tu gloriaPraeclara qua tu gloria
  63. 🔍 27% Exsultet orbis gaudiisExsultet orbis gaudiis
  64. 🔍 27% Felix per omnesFelix per omnes
  65. 🔍 27% Te Deum PatremTe Deum Patrem