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. 🔍 79% Levita Laurentius bonum opusLevita Laurentius bonum opus
  3. 🔍 73% Levita LaurentiusLevita Laurentius
  4. 🔍 73% Levita LaurentiusLevita Laurentius
  5. 🔍 69% Levita LaurentiusLevita Laurentius
  6. 🔍 48% Laurentius bonum opusLaurentius bonum opus
  7. 🔍 48% Laurentius bonum opusLaurentius bonum opus
  8. 🔍 48% Laurentius bonumLaurentius bonum
  9. 🔍 45% Laurentius bonum opusLaurentius bonum opus
  10. 🔍 39% Levita LaurentiusLevita Laurentius
  11. 🔍 32% Levita LaurentiusLevita Laurentius
  12. 🔍 32% Beatus Laurentius dumBeatus Laurentius dum
  13. 🔍 29% Domine bonum estDomine bonum est
  14. 🔍 28% Simile est... granoSimile est... grano
  15. 🔍 27% Levita LaurentiusLevita Laurentius
  16. 🔍 27% Caecus magisCaecus magis
  17. 🔍 27% Per signum crucisPer signum crucis
  18. 🔍 26% Beatus LaurentiusBeatus Laurentius
  19. 🔍 26% Beatus Laurentius dum inBeatus Laurentius dum in
  20. 🔍 26% Tu es Petrus (Antiphona)Tu es Petrus (Antiphona)
  21. 🔍 26% Levita LaurentiusLevita Laurentius
  22. 🔍 26% Angelus autem DominiAngelus autem Domini
  23. 🔍 26% Exi cito in plateasExi cito in plateas
  24. 🔍 26% Laurentius ingressus estLaurentius ingressus est
  25. 🔍 25% Ecce Crucem DominiEcce Crucem Domini
  26. 🔍 25% Beatus Laurentius orabatBeatus Laurentius orabat
  27. 🔍 25% Exaltata est Virgo MariaExaltata est Virgo Maria
  28. 🔍 25% DilexistiDilexisti
  29. 🔍 25% Ut audivitUt audivit
  30. 🔍 25% Christus Dei FiliusChristus Dei Filius
  31. 🔍 25% Triduanas a DominoTriduanas a Domino
  32. 🔍 24% Unus militumUnus militum
  33. 🔍 24% Unus militumUnus militum
  34. 🔍 24% Simile est... negotiatoriSimile est... negotiatori
  35. 🔍 24% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  36. 🔍 24% O Doctor optimeO Doctor optime
  37. 🔍 24% Petrus quidemPetrus quidem
  38. 🔍 24% Si in digitoSi in digito
  39. 🔍 24% Simile est... fermentoSimile est... fermento
  40. 🔍 24% Qui timet DominumQui timet Dominum
  41. 🔍 24% Ne timeasNe timeas
  42. 🔍 24% Ego sum panis vivusEgo sum panis vivus
  43. 🔍 23% Stephanus viditStephanus vidit
  44. 🔍 23% Est secretumEst secretum
  45. 🔍 23% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  46. 🔍 23% Joannes et Paulus agnoscentesJoannes et Paulus agnoscentes
  47. 🔍 23% Descendit cum MariaDescendit cum Maria
  48. 🔍 23% Assumpta est MariaAssumpta est Maria
  49. 🔍 23% Candor est lucis aeternae (Ant.)Candor est lucis aeternae (Ant.)
  50. 🔍 23% Joannes et Paulus dixeruntJoannes et Paulus dixerunt
  51. 🔍 23% Beatus Laurentius dumBeatus Laurentius dum
  52. 🔍 23% Ne timeas... alleluiaNe timeas... alleluia
  53. 🔍 23% Omnis sapientiaOmnis sapientia
  54. 🔍 23% Stephanus vidit caelosStephanus vidit caelos
  55. 🔍 23% Paulus et Joannes... JulianoPaulus et Joannes... Juliano
  56. 🔍 23% In omnibus hisIn omnibus his
  57. 🔍 23% Festivis resonent compitaFestivis resonent compita
  58. 🔍 23% O OriensO Oriens
  59. 🔍 22% Exsultabunt DominoExsultabunt Domino
  60. 🔍 22% Ille homoIlle homo
  61. 🔍 22% Levita sanctissimusLevita sanctissimus
  62. 🔍 22% Magna opera DominiMagna opera Domini
  63. 🔍 22% VisionemVisionem
  64. 🔍 22% Hodie Maria Virgo caelosHodie Maria Virgo caelos
  65. 🔍 22% Spiritus quiSpiritus qui