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% Mane surgensMane surgens
  2. 🔍 40% Erexit JacobErexit Jacob
  3. 🔍 39% Mane surgens JacobMane surgens Jacob
  4. 🔍 33% Angelus autem DominiAngelus autem Domini
  5. 🔍 32% Factum est in unaFactum est in una
  6. 🔍 30% Te Deum PatremTe Deum Patrem
  7. 🔍 30% Si Dominus DeusSi Dominus Deus
  8. 🔍 30% Optatus votis omniumOptatus votis omnium
  9. 🔍 29% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  10. 🔍 29% In ferventisIn ferventis
  11. 🔍 29% Et factum estEt factum est
  12. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  13. 🔍 28% Gloria VIIGloria VII
  14. 🔍 28% SanctificavitSanctificavit
  15. 🔍 28% Praeclara qua tu gloriaPraeclara qua tu gloria
  16. 🔍 28% Tota pulchra es amica (Ant)Tota pulchra es amica (Ant)
  17. 🔍 28% Commune vos apostoliCommune vos apostoli
  18. 🔍 27% Magnus sanctus PaulusMagnus sanctus Paulus
  19. 🔍 27% Credo ICredo I
  20. 🔍 27% Omnis pulchritudoOmnis pulchritudo
  21. 🔍 27% Apostolorum passio diemApostolorum passio diem
  22. 🔍 27% ConvocatisConvocatis
  23. 🔍 27% O MartineO Martine
  24. 🔍 27% Exsultet jam AngelicaExsultet jam Angelica
  25. 🔍 27% Angelus Domini apparuit (Resp.)Angelus Domini apparuit (Resp.)
  26. 🔍 27% Ex quo religioEx quo religio
  27. 🔍 27% Cohors beata SeraphimCohors beata Seraphim
  28. 🔍 27% Omnes GentesOmnes Gentes
  29. 🔍 27% Sancta Maria...auxiliumSancta Maria...auxilium
  30. 🔍 26% Alleluia Dominus regnavitAlleluia Dominus regnavit
  31. 🔍 26% Rerum omniumRerum omnium
  32. 🔍 26% Iste confessor (II)Iste confessor (II)
  33. 🔍 26% Exsultemus et laetemurExsultemus et laetemur
  34. 🔍 26% Rerum Deus fonsRerum Deus fons
  35. 🔍 26% AlleluiaAlleluia
  36. 🔍 26% Gloria XIIIGloria XIII
  37. 🔍 26% Te nostra laetisTe nostra laetis
  38. 🔍 26% In medio EcclesiaeIn medio Ecclesiae
  39. 🔍 26% Credo ICredo I
  40. 🔍 26% Resurrexit Dominus auctor lucisResurrexit Dominus auctor lucis
  41. 🔍 26% Gloria IGloria I
  42. 🔍 26% Dicit Dominus SermonesDicit Dominus Sermones
  43. 🔍 26% Ave Maria... virgo serenaAve Maria... virgo serena
  44. 🔍 26% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  45. 🔍 26% Aspice DomineAspice Domine
  46. 🔍 26% Virginis proles (II)Virginis proles (II)
  47. 🔍 26% ConsiderabamConsiderabam
  48. 🔍 26% Credo ICredo I
  49. 🔍 26% Dabit illi DominusDabit illi Dominus
  50. 🔍 26% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  51. 🔍 26% Missus Gabriel de coelisMissus Gabriel de coelis
  52. 🔍 25% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  53. 🔍 25% Te Deum Patrem ingenitumTe Deum Patrem ingenitum
  54. 🔍 25% Credo VCredo V
  55. 🔍 25% Sancta Maria succurreSancta Maria succurre
  56. 🔍 25% Venit lumenVenit lumen
  57. 🔍 25% O castitatis signiferO castitatis signifer
  58. 🔍 25% Virgo clemensVirgo clemens
  59. 🔍 25% Miserere mei... secundumMiserere mei... secundum
  60. 🔍 25% Credo I (forma ordinaria)Credo I (forma ordinaria)
  61. 🔍 25% Relucens inter principesRelucens inter principes
  62. 🔍 25% Tulit ergoTulit ergo
  63. 🔍 25% Legis sacrataeLegis sacratae
  64. 🔍 25% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  65. 🔍 25% Exsurgat DeusExsurgat Deus