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% Crudelis Herodes (Alter tonus)Crudelis Herodes (Alter tonus)
  2. πŸ” 88% Crudelis Herodes Deum (another chant)Crudelis Herodes Deum (another chant)
  3. πŸ” 53% Crudelis Herodes DeumCrudelis Herodes Deum
  4. πŸ” 49% Crudelis HerodesCrudelis Herodes
  5. πŸ” 48% Hostis HerodesHostis Herodes
  6. πŸ” 44% Crudelis HerodesCrudelis Herodes
  7. πŸ” 44% Jam lucis orto sidere (Tempore Epiphaniae)Jam lucis orto sidere (Tempore Epiphaniae)
  8. πŸ” 43% Hostis Herodes impieHostis Herodes impie
  9. πŸ” 41% Rerum Deus tenax vigor (Tempore Epiphaniae)Rerum Deus tenax vigor (Tempore Epiphaniae)
  10. πŸ” 41% Hostis HerodesHostis Herodes
  11. πŸ” 39% Te lucis ante terminum (In Epiphania)Te lucis ante terminum (In Epiphania)
  12. πŸ” 39% Hostis Herodes impieHostis Herodes impie
  13. πŸ” 38% Rerum Deus (In Epiphania Domini)Rerum Deus (In Epiphania Domini)
  14. πŸ” 38% Rector potens verax Deus (In tempore Epiphaniae)Rector potens verax Deus (In tempore Epiphaniae)
  15. πŸ” 37% Nunc Sancte nobis Spiritus (In Epiphania)Nunc Sancte nobis Spiritus (In Epiphania)
  16. πŸ” 36% Nunc sancte nobis Spiritus (In tempore Epiphaniae)Nunc sancte nobis Spiritus (In tempore Epiphaniae)
  17. πŸ” 36% Jam lucis orto sidere (In Epiphania Domini)Jam lucis orto sidere (In Epiphania Domini)
  18. πŸ” 35% Te lucis ante terminum (Holy Family)Te lucis ante terminum (Holy Family)
  19. πŸ” 34% Rector potens (In Epiphania Domini)Rector potens (In Epiphania Domini)
  20. πŸ” 34% Te lucis ante terminum (In Epiphania Domini)Te lucis ante terminum (In Epiphania Domini)
  21. πŸ” 34% Te lucis ante terminum (In Epiphania Domini)Te lucis ante terminum (In Epiphania Domini)
  22. πŸ” 33% Nunc Sancte nobis (In Epiphania Domini)Nunc Sancte nobis (In Epiphania Domini)
  23. πŸ” 32% Nunc Sancte nobis (In Epiphania Domini)Nunc Sancte nobis (In Epiphania Domini)
  24. πŸ” 32% Summi Parentis FilioSummi Parentis Filio
  25. πŸ” 32% Reges TharsisReges Tharsis
  26. πŸ” 32% Reges TharsisReges Tharsis
  27. πŸ” 31% O gloriosa Dei GenitrixO gloriosa Dei Genitrix
  28. πŸ” 30% Reges TharsisReges Tharsis
  29. πŸ” 30% Reges TharsisReges Tharsis
  30. πŸ” 29% Mittit ad VirginemMittit ad Virginem
  31. πŸ” 29% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  32. πŸ” 29% Conditor alme siderumConditor alme siderum
  33. πŸ” 29% Ecce advenitEcce advenit
  34. πŸ” 29% Dicamus laudes Domino (A Sollemnitate Epiphaniae)Dicamus laudes Domino (A Sollemnitate Epiphaniae)
  35. πŸ” 29% Deus, qui potestΓ‘teDeus, qui potestΓ‘te
  36. πŸ” 29% Omnis expertemOmnis expertem
  37. πŸ” 29% Exsultet iam angelicaExsultet iam angelica
  38. πŸ” 28% Praefatio ferialis de D. N. Iesu Christo RegePraefatio ferialis de D. N. Iesu Christo Rege
  39. πŸ” 28% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  40. πŸ” 28% Paradisi portaeParadisi portae
  41. πŸ” 28% Gloria IVGloria IV
  42. πŸ” 28% Omnis expertem maculaeOmnis expertem maculae
  43. πŸ” 28% Ave Regis AngelorumAve Regis Angelorum
  44. πŸ” 28% Praefatio ferialis de Ecclesiae DedicationePraefatio ferialis de Ecclesiae Dedicatione
  45. πŸ” 28% Praefatio defunctorumPraefatio defunctorum
  46. πŸ” 28% Virginis proles (III)Virginis proles (III)
  47. πŸ” 28% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  48. πŸ” 28% Exsultet iam angelicaExsultet iam angelica
  49. πŸ” 28% Praefatio ferialis de AngelisPraefatio ferialis de Angelis
  50. πŸ” 28% Gloria XVGloria XV
  51. πŸ” 28% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  52. πŸ” 28% Alto ex Olympi verticeAlto ex Olympi vertice
  53. πŸ” 28% Praefatio ferialis de Epiphania DominiPraefatio ferialis de Epiphania Domini
  54. πŸ” 28% Ternis horarum terminis (A Sollemnitate Epiphaniae)Ternis horarum terminis (A Sollemnitate Epiphaniae)
  55. πŸ” 28% Exsultet jam AngelicaExsultet jam Angelica
  56. πŸ” 28% Certum tenentes ordinem (A Sollemnitate Epiphaniae)Certum tenentes ordinem (A Sollemnitate Epiphaniae)
  57. πŸ” 28% Conditor almeConditor alme
  58. πŸ” 28% Praefatio ferialis de sancto Ioanne BaptistaPraefatio ferialis de sancto Ioanne Baptista
  59. πŸ” 28% Credo IICredo II
  60. πŸ” 27% Praefatio ferialis de sancto Joanne BaptistaPraefatio ferialis de sancto Joanne Baptista
  61. πŸ” 27% Praefatio ferialis de sanctissima TrinitatePraefatio ferialis de sanctissima Trinitate
  62. πŸ” 27% Ad cenamAd cenam
  63. πŸ” 27% Dominus fortitudoDominus fortitudo
  64. πŸ” 27% O salutaris Hostia VIO salutaris Hostia VI
  65. πŸ” 27% Gloria (ad lib.) II.Gloria (ad lib.) II.