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: 2025-12-19. 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% Senex puerumSenex puerum
  2. 🔍 74% Senex puerum portabatSenex puerum portabat
  3. 🔍 69% Senex puerum portabatSenex puerum portabat
  4. 🔍 67% Senex puerum portabat (Ant.)Senex puerum portabat (Ant.)
  5. 🔍 62% Senex puerum portabatSenex puerum portabat
  6. 🔍 40% Senex puerum portabatSenex puerum portabat
  7. 🔍 36% Senex puerum portabat (Resp.)Senex puerum portabat (Resp.)
  8. 🔍 35% Senex Simeon puerumSenex Simeon puerum
  9. 🔍 30% Adorna thalamum tuumAdorna thalamum tuum
  10. 🔍 28% Virgo verboVirgo verbo
  11. 🔍 27% Adorna thalamum tuum (Resp.)Adorna thalamum tuum (Resp.)
  12. 🔍 26% Virgo VerboVirgo Verbo
  13. 🔍 25% Senex puerumSenex puerum
  14. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  15. 🔍 24% NesciensNesciens
  16. 🔍 23% Virgo Dei GenitrixVirgo Dei Genitrix
  17. 🔍 23% Beata nobis gaudiaBeata nobis gaudia
  18. 🔍 23% Beata nobis gaudiaBeata nobis gaudia
  19. 🔍 23% Virgo gloriosaVirgo gloriosa
  20. 🔍 23% Virginis proles (III)Virginis proles (III)
  21. 🔍 23% Virgo Dei GenitrixVirgo Dei Genitrix
  22. 🔍 23% Genuit puerperaGenuit puerpera
  23. 🔍 23% O beatum pontificemO beatum pontificem
  24. 🔍 22% Sequentia...Ante sex dies PaschaeSequentia...Ante sex dies Paschae
  25. 🔍 22% Audita est quasi voxAudita est quasi vox
  26. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  27. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  28. 🔍 22% Beata nobis gaudiaBeata nobis gaudia
  29. 🔍 22% Beata nobisBeata nobis
  30. 🔍 22% Gaude Maria Virgo (Resp.)Gaude Maria Virgo (Resp.)
  31. 🔍 22% Te saeculorum PrincipemTe saeculorum Principem
  32. 🔍 22% Simeon justusSimeon justus
  33. 🔍 22% Sancta... semperSancta... semper
  34. 🔍 22% In natali DominiIn natali Domini
  35. 🔍 22% Adorna thalamum tuumAdorna thalamum tuum
  36. 🔍 22% Abiit JesusAbiit Jesus
  37. 🔍 21% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  38. 🔍 21% Ave Maris Stella (Off. BMV in Sab.)Ave Maris Stella (Off. BMV in Sab.)
  39. 🔍 21% Hodie beata VirgoHodie beata Virgo
  40. 🔍 21% Ave Maris StellaAve Maris Stella
  41. 🔍 21% Senex puerum portabat (All.)Senex puerum portabat (All.)
  42. 🔍 21% Stetit pontifexStetit pontifex
  43. 🔍 21% Simile est... hominiSimile est... homini
  44. 🔍 21% Domine puer meusDomine puer meus
  45. 🔍 21% Post partum VirgoPost partum Virgo
  46. 🔍 21% Quod chorus vatumQuod chorus vatum
  47. 🔍 21% Post partum (Resp Br)Post partum (Resp Br)
  48. 🔍 21% Cum redirentCum redirent
  49. 🔍 21% Felix namque esFelix namque es
  50. 🔍 20% MemorareMemorare
  51. 🔍 20% Misericordia DominiMisericordia Domini
  52. 🔍 20% Iesu Salvator saeculiIesu Salvator saeculi
  53. 🔍 20% Virgo tuum FiliumVirgo tuum Filium
  54. 🔍 20% Erat virErat vir
  55. 🔍 20% Ave maris stella (Officium Parvum)Ave maris stella (Officium Parvum)
  56. 🔍 20% Gaude Maria VirgoGaude Maria Virgo
  57. 🔍 20% Sancta... dulcisSancta... dulcis
  58. 🔍 20% Ecce ReginaEcce Regina
  59. 🔍 20% Angelus Domini descenditAngelus Domini descendit
  60. 🔍 20% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce
  61. 🔍 20% Quomodo fiet istudQuomodo fiet istud
  62. 🔍 20% Summum RegemSummum Regem
  63. 🔍 20% MemorareMemorare
  64. 🔍 20% Virgo verboVirgo verbo
  65. 🔍 20% Post mortemPost mortem