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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Languentibus in PurgatorioLanguentibus in Purgatorio
  2. πŸ” 59% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  3. πŸ” 35% Salve MaterSalve Mater
  4. πŸ” 33% Salve MaterSalve Mater
  5. πŸ” 33% Ad Virginem Dei MatremAd Virginem Dei Matrem
  6. πŸ” 33% Miserere (Ps 50)Miserere (Ps 50)
  7. πŸ” 33% Miserere mei... secundumMiserere mei... secundum
  8. πŸ” 33% Mittit ad VirginemMittit ad Virginem
  9. πŸ” 33% De profundis exclamantesDe profundis exclamantes
  10. πŸ” 33% Stabat MaterStabat Mater
  11. πŸ” 33% Ave lumenAve lumen
  12. πŸ” 32% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  13. πŸ” 32% Exsultet jam AngelicaExsultet jam Angelica
  14. πŸ” 32% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  15. πŸ” 32% Stabat MaterStabat Mater
  16. πŸ” 32% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  17. πŸ” 31% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  18. πŸ” 31% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  19. πŸ” 31% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  20. πŸ” 31% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  21. πŸ” 31% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  22. πŸ” 31% Summi Parentis FilioSummi Parentis Filio
  23. πŸ” 31% Roma Petro GlorieturRoma Petro Glorietur
  24. πŸ” 31% Ex more docti mysticoEx more docti mystico
  25. πŸ” 31% Exsultet iam angelicaExsultet iam angelica
  26. πŸ” 30% Lauda SionLauda Sion
  27. πŸ” 30% Salve Regina (simple tone)Salve Regina (simple tone)
  28. πŸ” 30% Salve Regina (in cantu simplici)Salve Regina (in cantu simplici)
  29. πŸ” 30% Lauda SionLauda Sion
  30. πŸ” 30% In principio creavitIn principio creavit
  31. πŸ” 30% O Maria, gratia plenaO Maria, gratia plena
  32. πŸ” 30% Concordi laetitiaConcordi laetitia
  33. πŸ” 30% Adoremus in aeternum IIAdoremus in aeternum II
  34. πŸ” 30% Alto ex Olympi verticeAlto ex Olympi vertice
  35. πŸ” 30% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A
  36. πŸ” 29% Salve dies dierum gloriaSalve dies dierum gloria
  37. πŸ” 29% MemorareMemorare
  38. πŸ” 29% Ave Virgo specieiAve Virgo speciei
  39. πŸ” 29% Legis sacrataeLegis sacratae
  40. πŸ” 29% Ave Virgo nobilisAve Virgo nobilis
  41. πŸ” 29% Christus resurgensChristus resurgens
  42. πŸ” 29% Eia materEia mater
  43. πŸ” 29% O Maria Mater pia MaterO Maria Mater pia Mater
  44. πŸ” 29% Jerusalem et SionJerusalem et Sion
  45. πŸ” 29% Deus Deus meus (62)Deus Deus meus (62)
  46. πŸ” 29% Credo IICredo II
  47. πŸ” 29% Deus, qui potestΓ‘teDeus, qui potestΓ‘te
  48. πŸ” 29% Credo in DeumCredo in Deum
  49. πŸ” 29% Te Matrem laudamusTe Matrem laudamus
  50. πŸ” 29% Te Deum (Simple tone)Te Deum (Simple tone)
  51. πŸ” 29% Verbum caro factum estVerbum caro factum est
  52. πŸ” 29% Jerusalem et SionJerusalem et Sion
  53. πŸ” 29% Jerusalem et SionJerusalem et Sion
  54. πŸ” 29% Summae Deus clementiae septemSummae Deus clementiae septem
  55. πŸ” 29% Stabat Mater DolorosaStabat Mater Dolorosa
  56. πŸ” 28% Jesu dulcis memoria!Jesu dulcis memoria!
  57. πŸ” 28% Laudes Crucis AttollamusLaudes Crucis Attollamus
  58. πŸ” 28% Ave mundi spes MariaAve mundi spes Maria
  59. πŸ” 28% Ave MaterAve Mater
  60. πŸ” 28% Tota Regis filiaeTota Regis filiae
  61. πŸ” 28% Lectio libri GenesisLectio libri Genesis
  62. πŸ” 28% Quis olimQuis olim
  63. πŸ” 28% Credo IVCredo IV
  64. πŸ” 28% Noe vero cumNoe vero cum
  65. πŸ” 28% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)