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% Quare ergo rubrum estQuare ergo rubrum est
  2. 🔍 82% Quare ergo rubrumQuare ergo rubrum
  3. 🔍 64% Quare ergo rubrumQuare ergo rubrum
  4. 🔍 42% Torcular calcaviTorcular calcavi
  5. 🔍 35% Vestimentum tuumVestimentum tuum
  6. 🔍 32% Ne timeasNe timeas
  7. 🔍 32% Sancte Paule ApostoleSancte Paule Apostole
  8. 🔍 32% Factus estFactus est
  9. 🔍 32% Ne timeas... alleluiaNe timeas... alleluia
  10. 🔍 32% Oleum effusumOleum effusum
  11. 🔍 32% Exaltata est Virgo MariaExaltata est Virgo Maria
  12. 🔍 31% Magna opera DominiMagna opera Domini
  13. 🔍 31% Dixit autem dominusDixit autem dominus
  14. 🔍 31% Angelus Domini apparuitAngelus Domini apparuit
  15. 🔍 31% Serve boneServe bone
  16. 🔍 31% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  17. 🔍 30% Beata Agnes in medioBeata Agnes in medio
  18. 🔍 30% Sacrificabo hostiamSacrificabo hostiam
  19. 🔍 30% Est secretumEst secretum
  20. 🔍 30% Vobis datum estVobis datum est
  21. 🔍 30% Et ipse JesusEt ipse Jesus
  22. 🔍 30% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  23. 🔍 30% Ego qui loquorEgo qui loquor
  24. 🔍 29% Orante sancta LuciaOrante sancta Lucia
  25. 🔍 29% Sit nomen Domini... inSit nomen Domini... in
  26. 🔍 29% Dirupisti DomineDirupisti Domine
  27. 🔍 29% Benedico... FiliumBenedico... Filium
  28. 🔍 29% Triduanas a DominoTriduanas a Domino
  29. 🔍 29% Sit nomen DominiSit nomen Domini
  30. 🔍 29% Puer qui natus estPuer qui natus est
  31. 🔍 29% Crastina eritCrastina erit
  32. 🔍 29% Tulerunt DominumTulerunt Dominum
  33. 🔍 29% Fecit tibi magnaFecit tibi magna
  34. 🔍 29% Dixit Angelus ad PetrumDixit Angelus ad Petrum
  35. 🔍 28% Habet in vestimentoHabet in vestimento
  36. 🔍 28% Habet in vestimentoHabet in vestimento
  37. 🔍 28% Suscepisti meSuscepisti me
  38. 🔍 28% O mulierO mulier
  39. 🔍 28% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  40. 🔍 28% Mecum enimMecum enim
  41. 🔍 28% Dixit Dominus ad NoeDixit Dominus ad Noe
  42. 🔍 28% Omnis spiritusOmnis spiritus
  43. 🔍 28% O Doctor optimeO Doctor optime
  44. 🔍 28% Ego sum resurrectioEgo sum resurrectio
  45. 🔍 28% Usque modoUsque modo
  46. 🔍 28% ExtollensExtollens
  47. 🔍 28% Haec est JoannaHaec est Joanna
  48. 🔍 27% Benedicta es tuBenedicta es tu
  49. 🔍 27% Quid faciamQuid faciam
  50. 🔍 27% Malos male perdetMalos male perdet
  51. 🔍 27% Iste est JoannesIste est Joannes
  52. 🔍 27% Dirupisti Domine vinculaDirupisti Domine vincula
  53. 🔍 27% Tulit ergoTulit ergo
  54. 🔍 27% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  55. 🔍 27% Ego daemoniumEgo daemonium
  56. 🔍 27% Gloria et honoreGloria et honore
  57. 🔍 27% Si in digitoSi in digito
  58. 🔍 27% Innuebant patriInnuebant patri
  59. 🔍 27% Estote ergo misericordesEstote ergo misericordes
  60. 🔍 27% Sancti tui DomineSancti tui Domine
  61. 🔍 27% Exortum est (Christmas)Exortum est (Christmas)
  62. 🔍 27% Argentum et aurumArgentum et aurum
  63. 🔍 27% Voca operariosVoca operarios
  64. 🔍 27% Torcular calcaviTorcular calcavi
  65. 🔍 27% Lapides torrentesLapides torrentes