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% ImproperiumImproperium
  2. 🔍 73% Improperium... et dederuntImproperium... et dederunt
  3. 🔍 72% Improperium... et dederuntImproperium... et dederunt
  4. 🔍 63% Improperium... et non inveniImproperium... et non inveni
  5. 🔍 62% Improperium... et dederuntImproperium... et dederunt
  6. 🔍 52% Improperium 1Improperium 1
  7. 🔍 52% Improperium... simul contristareturImproperium... simul contristaretur
  8. 🔍 42% Improperium 2Improperium 2
  9. 🔍 38% Improperium... simul mecumImproperium... simul mecum
  10. 🔍 37% VeritatemVeritatem
  11. 🔍 35% ImproperiumImproperium
  12. 🔍 33% In me gratiaIn me gratia
  13. 🔍 31% Omnes amici meiOmnes amici mei
  14. 🔍 31% ImproperiumImproperium
  15. 🔍 31% Miserere mihiMiserere mihi
  16. 🔍 31% Domine ne longeDomine ne longe
  17. 🔍 30% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  18. 🔍 30% In nomine DominiIn nomine Domini
  19. 🔍 30% Miserere mihiMiserere mihi
  20. 🔍 29% Cor meumCor meum
  21. 🔍 29% Nunc ergoNunc ergo
  22. 🔍 29% In nomine Jesu... Ps. GloriabunturIn nomine Jesu... Ps. Gloriabuntur
  23. 🔍 29% De necessitatibusDe necessitatibus
  24. 🔍 29% Ad te DomineAd te Domine
  25. 🔍 28% Intonant, ecce, per area vocesIntonant, ecce, per area voces
  26. 🔍 28% Salvum me facSalvum me fac
  27. 🔍 28% Elegit MariamElegit Mariam
  28. 🔍 28% Gaudens gaudebo... quasiGaudens gaudebo... quasi
  29. 🔍 28% MagnificatMagnificat
  30. 🔍 28% Salvum me facSalvum me fac
  31. 🔍 28% Ad te levaviAd te levavi
  32. 🔍 28% Miserere (Ps 50)Miserere (Ps 50)
  33. 🔍 28% SuscitaboSuscitabo
  34. 🔍 27% In nomine DominiIn nomine Domini
  35. 🔍 27% Exsurge... et intendeExsurge... et intende
  36. 🔍 27% Emitte SpiritumEmitte Spiritum
  37. 🔍 27% In nomine Jesu... Ps. DomineIn nomine Jesu... Ps. Domine
  38. 🔍 27% Deus tu convertens Deus tu convertens
  39. 🔍 27% Beatus MartinusBeatus Martinus
  40. 🔍 27% AnnuntiateAnnuntiate
  41. 🔍 27% Ego clamaviEgo clamavi
  42. 🔍 27% Exsultabo in JerusalemExsultabo in Jerusalem
  43. 🔍 27% Repleatur osRepleatur os
  44. 🔍 27% Lex veritatisLex veritatis
  45. 🔍 27% Confitebor DominoConfitebor Domino
  46. 🔍 26% Deus tu convertensDeus tu convertens
  47. 🔍 26% Dum clamaremDum clamarem
  48. 🔍 26% Respice in meRespice in me
  49. 🔍 26% In nomine Jesu... Ps. GloriabunturIn nomine Jesu... Ps. Gloriabuntur
  50. 🔍 26% Factus es spes meaFactus es spes mea
  51. 🔍 26% Salvum me fac (Psalmus 68)Salvum me fac (Psalmus 68)
  52. 🔍 26% Aeterne Rex altissimeAeterne Rex altissime
  53. 🔍 26% Exsurge Domine DeusExsurge Domine Deus
  54. 🔍 26% DesideriumDesiderium
  55. 🔍 26% Ego autem cumEgo autem cum
  56. 🔍 26% Oravi Deum (verses)Oravi Deum (verses)
  57. 🔍 26% Lex veritatisLex veritatis
  58. 🔍 26% ExspectabamExspectabam
  59. 🔍 26% Immittet AngelusImmittet Angelus
  60. 🔍 26% In nomine Jesu... Ps. DomineIn nomine Jesu... Ps. Domine
  61. 🔍 26% Miserere mei Deus (cantus prior)Miserere mei Deus (cantus prior)
  62. 🔍 26% Deus vitam meamDeus vitam meam
  63. 🔍 26% Quia fecistiQuia fecisti
  64. 🔍 26% Ostende mihiOstende mihi
  65. 🔍 25% Domine secundum actumDomine secundum actum