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% Angelus Domini apparuitAngelus Domini apparuit
  2. 🔍 97% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  3. 🔍 71% Angelus Domini apparuit Joseph (S. Jos)Angelus Domini apparuit Joseph (S. Jos)
  4. 🔍 66% Angelus Domini apparuit in somnisAngelus Domini apparuit in somnis
  5. 🔍 63% Angelus Domini apparuit (S. Jos.)Angelus Domini apparuit (S. Jos.)
  6. 🔍 52% Joseph fili DavidJoseph fili David
  7. 🔍 45% Joseph fili DavidJoseph fili David
  8. 🔍 44% Puer qui natus estPuer qui natus est
  9. 🔍 42% Et ipse JesusEt ipse Jesus
  10. 🔍 42% Dixit autem dominusDixit autem dominus
  11. 🔍 41% Missus est GabrielMissus est Gabriel
  12. 🔍 41% Angelus autem DominiAngelus autem Domini
  13. 🔍 41% Ne timeasNe timeas
  14. 🔍 40% Ecce Angelus DominiEcce Angelus Domini
  15. 🔍 40% Joseph fili DavidJoseph fili David
  16. 🔍 40% Ne timeas... alleluiaNe timeas... alleluia
  17. 🔍 40% Respondens autem AngelusRespondens autem Angelus
  18. 🔍 39% Gloria laudis resonetGloria laudis resonet
  19. 🔍 39% Orante sancta LuciaOrante sancta Lucia
  20. 🔍 39% Christus natus est nobisChristus natus est nobis
  21. 🔍 38% Venite exultemus DominoVenite exultemus Domino
  22. 🔍 38% Ioseph, fili DavidIoseph, fili David
  23. 🔍 38% Artem fabriArtem fabri
  24. 🔍 37% Gabriel Angelus... EcceGabriel Angelus... Ecce
  25. 🔍 37% Magna opera DominiMagna opera Domini
  26. 🔍 37% Angelus Domini apparuit (Resp.)Angelus Domini apparuit (Resp.)
  27. 🔍 37% Joseph fili DavidJoseph fili David
  28. 🔍 37% Malos male perdetMalos male perdet
  29. 🔍 37% Adhaesit anima (St. Stephani)Adhaesit anima (St. Stephani)
  30. 🔍 37% Data est mihiData est mihi
  31. 🔍 37% Assumpta est MariaAssumpta est Maria
  32. 🔍 37% Dixit Dominus ad NoeDixit Dominus ad Noe
  33. 🔍 36% Ioseph fili DavidIoseph fili David
  34. 🔍 36% Haec est JoannaHaec est Joanna
  35. 🔍 36% Ingresso ZachariaIngresso Zacharia
  36. 🔍 36% Est secretumEst secretum
  37. 🔍 36% Serve boneServe bone
  38. 🔍 36% Simeon justusSimeon justus
  39. 🔍 36% Si in digitoSi in digito
  40. 🔍 35% Oleum effusumOleum effusum
  41. 🔍 35% Lapides torrentesLapides torrentes
  42. 🔍 35% Triduanas a DominoTriduanas a Domino
  43. 🔍 35% Innuebant patriInnuebant patri
  44. 🔍 34% Joseph fili DavidJoseph fili David
  45. 🔍 34% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  46. 🔍 34% Parvulus filiusParvulus filius
  47. 🔍 34% Maternitas tuaMaternitas tua
  48. 🔍 34% Praevaluit DavidPraevaluit David
  49. 🔍 34% Lucia virgoLucia virgo
  50. 🔍 34% Fecit tibi magnaFecit tibi magna
  51. 🔍 34% Exsurgens JosephExsurgens Joseph
  52. 🔍 33% Dirige DomineDirige Domine
  53. 🔍 33% Beata Agnes in medioBeata Agnes in medio
  54. 🔍 33% Venite (S. Rita)Venite (S. Rita)
  55. 🔍 33% Angelus Gabriel apparuitAngelus Gabriel apparuit
  56. 🔍 33% Beata es Maria (3rd Sunday Advent)Beata es Maria (3rd Sunday Advent)
  57. 🔍 33% Hodie Christus natus estHodie Christus natus est
  58. 🔍 33% Magnificavit DominusMagnificavit Dominus
  59. 🔍 33% Absterget DeusAbsterget Deus
  60. 🔍 33% Confortatus estConfortatus est
  61. 🔍 33% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  62. 🔍 33% Exaltata est Virgo MariaExaltata est Virgo Maria
  63. 🔍 33% In paradisumIn paradisum
  64. 🔍 33% Quid faciamQuid faciam
  65. 🔍 33% Dixerunt discipuliDixerunt discipuli