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% Praevaluit DavidPraevaluit David
  2. 🔍 79% Praevaluit DavidPraevaluit David
  3. 🔍 55% Praevaluit DavidPraevaluit David
  4. 🔍 54% Praevaluit DavidPraevaluit David
  5. 🔍 42% Praevaluit DavidPraevaluit David
  6. 🔍 37% Data est mihiData est mihi
  7. 🔍 36% Adhaesit anima (St. Stephani)Adhaesit anima (St. Stephani)
  8. 🔍 34% Angelus Domini apparuitAngelus Domini apparuit
  9. 🔍 34% Angelus autem DominiAngelus autem Domini
  10. 🔍 34% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  11. 🔍 34% Miserere mihiMiserere mihi
  12. 🔍 33% Si in digitoSi in digito
  13. 🔍 32% Benedicta es tuBenedicta es tu
  14. 🔍 32% Damasci praepositusDamasci praepositus
  15. 🔍 32% Lapides torrentesLapides torrentes
  16. 🔍 31% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  17. 🔍 31% Accipiens SimeonAccipiens Simeon
  18. 🔍 31% Qui odit animam suamQui odit animam suam
  19. 🔍 31% Puer qui natus estPuer qui natus est
  20. 🔍 30% Adhaesit anima (St. Laurenti)Adhaesit anima (St. Laurenti)
  21. 🔍 30% Videte manus measVidete manus meas
  22. 🔍 30% Gloria laudis resonetGloria laudis resonet
  23. 🔍 30% Suscepisti meSuscepisti me
  24. 🔍 29% Simeon justusSimeon justus
  25. 🔍 29% Ne timeasNe timeas
  26. 🔍 29% Vota meaVota mea
  27. 🔍 29% Adjutorium nostrumAdjutorium nostrum
  28. 🔍 29% Magna opera DominiMagna opera Domini
  29. 🔍 29% Ne timeas... alleluiaNe timeas... alleluia
  30. 🔍 29% Lucia virgoLucia virgo
  31. 🔍 29% Oleum effusumOleum effusum
  32. 🔍 29% Exortum est (Christmas)Exortum est (Christmas)
  33. 🔍 29% Dabit ei DominusDabit ei Dominus
  34. 🔍 29% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  35. 🔍 29% Non est inventusNon est inventus
  36. 🔍 28% Deus majestatisDeus majestatis
  37. 🔍 28% Sit nomen Domini... inSit nomen Domini... in
  38. 🔍 28% Et ipse JesusEt ipse Jesus
  39. 🔍 28% Respexit meRespexit me
  40. 🔍 28% Magnificavit DominusMagnificavit Dominus
  41. 🔍 28% Qui habitasQui habitas
  42. 🔍 28% Prae timore autemPrae timore autem
  43. 🔍 28% Dixit Angelus ad PetrumDixit Angelus ad Petrum
  44. 🔍 28% Tulerunt DominumTulerunt Dominum
  45. 🔍 28% Qui sequitur meQui sequitur me
  46. 🔍 28% Assumpta est MariaAssumpta est Maria
  47. 🔍 28% Dixit autem dominusDixit autem dominus
  48. 🔍 28% Sit nomen DominiSit nomen Domini
  49. 🔍 28% AuditeAudite
  50. 🔍 28% In circuituIn circuitu
  51. 🔍 27% Benedicta filiaBenedicta filia
  52. 🔍 27% Dixit Dominus ad NoeDixit Dominus ad Noe
  53. 🔍 27% Ego autem in DominoEgo autem in Domino
  54. 🔍 27% Dixit Dominus DominoDixit Dominus Domino
  55. 🔍 27% Salvasti nosSalvasti nos
  56. 🔍 27% Et qui praeibantEt qui praeibant
  57. 🔍 27% Ecce mittoEcce mitto
  58. 🔍 27% Benedico... FiliumBenedico... Filium
  59. 🔍 27% Martyrum chorusMartyrum chorus
  60. 🔍 27% Gabriel Angelus... EcceGabriel Angelus... Ecce
  61. 🔍 27% Maria et fluminaMaria et flumina
  62. 🔍 27% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  63. 🔍 27% Qui timet DominumQui timet Dominum
  64. 🔍 27% In caelestibus regnis... alleluiaIn caelestibus regnis... alleluia
  65. 🔍 27% Venite (S. Rita)Venite (S. Rita)