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% Levita LaurentiusLevita Laurentius
  2. 🔍 70% Levita LaurentiusLevita Laurentius
  3. 🔍 70% Levita LaurentiusLevita Laurentius
  4. 🔍 69% Levita LaurentiusLevita Laurentius
  5. 🔍 66% Levita Laurentius bonum opusLevita Laurentius bonum opus
  6. 🔍 58% Laurentius bonumLaurentius bonum
  7. 🔍 49% Laurentius bonum opusLaurentius bonum opus
  8. 🔍 48% Laurentius bonum opusLaurentius bonum opus
  9. 🔍 44% Levita LaurentiusLevita Laurentius
  10. 🔍 41% Beatus LaurentiusBeatus Laurentius
  11. 🔍 41% Laurentius bonum opusLaurentius bonum opus
  12. 🔍 36% Levita LaurentiusLevita Laurentius
  13. 🔍 32% Levita LaurentiusLevita Laurentius
  14. 🔍 29% Levita LaurentiusLevita Laurentius
  15. 🔍 28% Beatus Laurentius dum inBeatus Laurentius dum in
  16. 🔍 28% Beatus Laurentius dumBeatus Laurentius dum
  17. 🔍 26% Beatus Laurentius dumBeatus Laurentius dum
  18. 🔍 26% Beatus Laurentius orabatBeatus Laurentius orabat
  19. 🔍 24% Per signum crucisPer signum crucis
  20. 🔍 24% Levita LaurentiusLevita Laurentius
  21. 🔍 24% Signum crucisSignum crucis
  22. 🔍 23% Angelus autem DominiAngelus autem Domini
  23. 🔍 23% Petrus ApostolusPetrus Apostolus
  24. 🔍 23% In craticulaIn craticula
  25. 🔍 22% Laurentius ingressusLaurentius ingressus
  26. 🔍 22% Simile est... hominiSimile est... homini
  27. 🔍 22% Sitivit in te DomineSitivit in te Domine
  28. 🔍 21% Date eiDate ei
  29. 🔍 21% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  30. 🔍 21% Thesaurizate vobisThesaurizate vobis
  31. 🔍 21% Exi citoExi cito
  32. 🔍 21% Pauper in peculioPauper in peculio
  33. 🔍 21% BenedictionemBenedictionem
  34. 🔍 21% Ecce positusEcce positus
  35. 🔍 21% Omnis spiritusOmnis spiritus
  36. 🔍 21% Laudes Crucis AttollamusLaudes Crucis Attollamus
  37. 🔍 21% Paulus... JulianoPaulus... Juliano
  38. 🔍 20% Qui de terraQui de terra
  39. 🔍 20% Ecce Deus meusEcce Deus meus
  40. 🔍 20% Lectio libri GenesisLectio libri Genesis
  41. 🔍 20% Descendit SpiritusDescendit Spiritus
  42. 🔍 20% Sanctus autem ValeriusSanctus autem Valerius
  43. 🔍 20% Intuens in caelumIntuens in caelum
  44. 🔍 20% Beatus Laurentius clamavitBeatus Laurentius clamavit
  45. 🔍 20% Ab OrienteAb Oriente
  46. 🔍 20% Spiritus Domini super meSpiritus Domini super me
  47. 🔍 20% Ad te... vigiloAd te... vigilo
  48. 🔍 20% Domine bonum estDomine bonum est
  49. 🔍 20% Ille homoIlle homo
  50. 🔍 20% De Sion... quiDe Sion... qui
  51. 🔍 20% Dedit seDedit se
  52. 🔍 20% Deus meus es tuDeus meus es tu
  53. 🔍 20% Hodie Simon PetrusHodie Simon Petrus
  54. 🔍 20% Hodie Simon PetrusHodie Simon Petrus
  55. 🔍 20% Beatus Laurentius orabatBeatus Laurentius orabat
  56. 🔍 20% De caelo venietDe caelo veniet
  57. 🔍 20% Beatus Laurentius orabatBeatus Laurentius orabat
  58. 🔍 19% Caelestis formam gloriaeCaelestis formam gloriae
  59. 🔍 19% Lauda piaLauda pia
  60. 🔍 19% Ad cenamAd cenam
  61. 🔍 19% Unum opusUnum opus
  62. 🔍 19% Ego plantaviEgo plantavi
  63. 🔍 19% Laudate... de caelisLaudate... de caelis
  64. 🔍 19% Benedictus... IsraelBenedictus... Israel
  65. 🔍 19% Triduanas a DominoTriduanas a Domino