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% O quam pulchraO quam pulchra
  2. 🔍 34% O quam pulchraO quam pulchra
  3. 🔍 28% Dignus es DomineDignus es Domine
  4. 🔍 28% Ave Maris stellaAve Maris stella
  5. 🔍 27% Ite IXIte IX
  6. 🔍 27% Beatus vir sanctus MartinusBeatus vir sanctus Martinus
  7. 🔍 26% Rerum Deus fonsRerum Deus fons
  8. 🔍 25% In die solemnitatisIn die solemnitatis
  9. 🔍 25% Solve jubente DeoSolve jubente Deo
  10. 🔍 25% De excelsoDe excelso
  11. 🔍 24% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  12. 🔍 24% VerumtamenVerumtamen
  13. 🔍 23% Ascendit DeusAscendit Deus
  14. 🔍 23% Emitte SpiritumEmitte Spiritum
  15. 🔍 23% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  16. 🔍 23% Jam Christus astraJam Christus astra
  17. 🔍 23% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  18. 🔍 23% Converte nosConverte nos
  19. 🔍 23% In die solemnitatisIn die solemnitatis
  20. 🔍 23% Jam Christus astraJam Christus astra
  21. 🔍 23% Laudate Deum omnes (All)Laudate Deum omnes (All)
  22. 🔍 22% Vexilla ChristusVexilla Christus
  23. 🔍 22% Benedicamus Domino (I)Benedicamus Domino (I)
  24. 🔍 22% Ave maris stellaAve maris stella
  25. 🔍 22% Excita DomineExcita Domine
  26. 🔍 22% Christe sanctorumChriste sanctorum
  27. 🔍 22% Virginis proles (I)Virginis proles (I)
  28. 🔍 22% Manum suamManum suam
  29. 🔍 22% Iste confessor (I)Iste confessor (I)
  30. 🔍 22% Benedicamus IXBenedicamus IX
  31. 🔍 21% Verbo DominiVerbo Domini
  32. 🔍 21% Benedicite DominoBenedicite Domino
  33. 🔍 21% In Deo speravitIn Deo speravit
  34. 🔍 21% Sapientia hujusSapientia hujus
  35. 🔍 21% Qui docti fuerint fulgebuntQui docti fuerint fulgebunt
  36. 🔍 20% Qui facit AngelosQui facit Angelos
  37. 🔍 20% ExcitaExcita
  38. 🔍 20% O crux splendidiorO crux splendidior
  39. 🔍 20% Te lucis ante terminum (Pentecost)Te lucis ante terminum (Pentecost)
  40. 🔍 20% Ave virginum gemmaAve virginum gemma
  41. 🔍 20% Agnus XIIIAgnus XIII
  42. 🔍 20% Oculi omniumOculi omnium
  43. 🔍 20% Te lucis ante terminum (In Festo Christi Regis)Te lucis ante terminum (In Festo Christi Regis)
  44. 🔍 19% Benedicamus Domino (I classis)Benedicamus Domino (I classis)
  45. 🔍 19% Ascendit DeusAscendit Deus
  46. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  47. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  48. 🔍 19% Te saeculorum PrincipemTe saeculorum Principem
  49. 🔍 19% Te gloriosus (All)Te gloriosus (All)
  50. 🔍 19% O quantum in CruceO quantum in Cruce
  51. 🔍 19% Jesu dulcis amorJesu dulcis amor
  52. 🔍 19% Christus passus estChristus passus est
  53. 🔍 19% Non vos relinquamNon vos relinquam
  54. 🔍 19% Candida VirginitasCandida Virginitas
  55. 🔍 19% Tota pulchra es Maria (All)Tota pulchra es Maria (All)
  56. 🔍 19% Beata nobisBeata nobis
  57. 🔍 19% Emitte SpiritumEmitte Spiritum
  58. 🔍 19% Nunc Sancte nobis (In Festo Christi Regis)Nunc Sancte nobis (In Festo Christi Regis)
  59. 🔍 19% Virgo clemensVirgo clemens
  60. 🔍 19% Verbum caro factum est ... allel.Verbum caro factum est ... allel.
  61. 🔍 19% CaligaveruntCaligaverunt
  62. 🔍 19% Aspice DomineAspice Domine
  63. 🔍 19% Non vos relinquamNon vos relinquam
  64. 🔍 19% Te MartyrumTe Martyrum
  65. 🔍 19% VerumtamenVerumtamen