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% Mater ChristiMater Christi
  2. 🔍 49% Sancta Maria succurreSancta Maria succurre
  3. 🔍 47% Sancta Maria succurreSancta Maria succurre
  4. 🔍 46% Sancta Maria...festivitatemSancta Maria...festivitatem
  5. 🔍 46% Sancta Maria...auxiliumSancta Maria...auxilium
  6. 🔍 45% Sancta Maria succurreSancta Maria succurre
  7. 🔍 45% Sancta MariaSancta Maria
  8. 🔍 40% Felix namqueFelix namque
  9. 🔍 38% Commune vos apostoliCommune vos apostoli
  10. 🔍 36% Felix namque esFelix namque es
  11. 🔍 36% Cohors beata SeraphimCohors beata Seraphim
  12. 🔍 36% Beata Dei GenitrixBeata Dei Genitrix
  13. 🔍 36% Ternis horarum terminisTernis horarum terminis
  14. 🔍 35% Gaude Dei GenitrixGaude Dei Genitrix
  15. 🔍 35% Te nostra laetisTe nostra laetis
  16. 🔍 35% Apostolorum passio diemApostolorum passio diem
  17. 🔍 35% O Virgo MariaO Virgo Maria
  18. 🔍 35% Tota pulchra es amica (Ant)Tota pulchra es amica (Ant)
  19. 🔍 34% Relucens inter principesRelucens inter principes
  20. 🔍 34% Qui luce splendesQui luce splendes
  21. 🔍 34% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  22. 🔍 34% O salutaris Hostia VIO salutaris Hostia VI
  23. 🔍 34% In regenerationeIn regeneratione
  24. 🔍 34% Qui luce splendesQui luce splendes
  25. 🔍 33% In ferventisIn ferventis
  26. 🔍 33% Decus morumDecus morum
  27. 🔍 33% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  28. 🔍 33% Commune vos apostoliCommune vos apostoli
  29. 🔍 33% Sancta MariaSancta Maria
  30. 🔍 33% Dicamus laudes DominoDicamus laudes Domino
  31. 🔍 33% Rerum Deus fonsRerum Deus fons
  32. 🔍 33% Impleta gaudentImpleta gaudent
  33. 🔍 33% Felix namque esFelix namque es
  34. 🔍 32% Praeclara qua tu gloriaPraeclara qua tu gloria
  35. 🔍 32% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  36. 🔍 32% Miserere et parceMiserere et parce
  37. 🔍 32% Felix namque esFelix namque es
  38. 🔍 32% Auctor beate saeculiAuctor beate saeculi
  39. 🔍 32% Te lucis ante terminum (Tempus Adventus)Te lucis ante terminum (Tempus Adventus)
  40. 🔍 32% Gaudete in DominoGaudete in Domino
  41. 🔍 32% Beata Dei Genitrix (O.B.V.M. in Sabb.)Beata Dei Genitrix (O.B.V.M. in Sabb.)
  42. 🔍 32% Beata Dei GenitrixBeata Dei Genitrix
  43. 🔍 32% Litaniae LauretanaeLitaniae Lauretanae
  44. 🔍 31% Te saeculorum PrincipemTe saeculorum Principem
  45. 🔍 31% Post partum VirgoPost partum Virgo
  46. 🔍 31% Gloria IGloria I
  47. 🔍 31% Tu principatumTu principatum
  48. 🔍 31% Credo ICredo I
  49. 🔍 31% Factum est in unaFactum est in una
  50. 🔍 31% Beata nobisBeata nobis
  51. 🔍 31% Gaude mater AnnaGaude mater Anna
  52. 🔍 31% Ante thronum TrinitatisAnte thronum Trinitatis
  53. 🔍 31% Beata Dei GenitrixBeata Dei Genitrix
  54. 🔍 31% ConvocatisConvocatis
  55. 🔍 31% Auctor beate saeculiAuctor beate saeculi
  56. 🔍 30% Domine Jesu ChristeDomine Jesu Christe
  57. 🔍 30% Te Deum PatremTe Deum Patrem
  58. 🔍 30% Beata Dei GenitrixBeata Dei Genitrix
  59. 🔍 30% Domine Jesu ChristeDomine Jesu Christe
  60. 🔍 30% Legis sacrataeLegis sacratae
  61. 🔍 30% Intuens in caelumIntuens in caelum
  62. 🔍 30% Exsultet orbis gaudiisExsultet orbis gaudiis
  63. 🔍 30% Exsultet orbis gaudiisExsultet orbis gaudiis
  64. 🔍 30% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  65. 🔍 30% Certum tenentes ordinemCertum tenentes ordinem