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% Et ecce terrae motusEt ecce terrae motus
  2. 🔍 47% Et ecce terraemotusEt ecce terraemotus
  3. 🔍 45% Et ecce terraemotusEt ecce terraemotus
  4. 🔍 41% Et ecce terraemotusEt ecce terraemotus
  5. 🔍 37% Angelus autem DominiAngelus autem Domini
  6. 🔍 35% Et ecce terraemotusEt ecce terraemotus
  7. 🔍 33% Reges terraeReges terrae
  8. 🔍 30% Ascendit DeusAscendit Deus
  9. 🔍 30% Ascendit fumus... allel.Ascendit fumus... allel.
  10. 🔍 29% Erat autemErat autem
  11. 🔍 29% Descendit SpiritusDescendit Spiritus
  12. 🔍 28% Ecce Dominus venietEcce Dominus veniet
  13. 🔍 28% Ecce in nubibusEcce in nubibus
  14. 🔍 28% Ecce ancillaEcce ancilla
  15. 🔍 27% Ecce veniet prophetaEcce veniet propheta
  16. 🔍 27% Ecce veniet DeusEcce veniet Deus
  17. 🔍 27% Ecce apparebitEcce apparebit
  18. 🔍 26% Zachaee festinansZachaee festinans
  19. 🔍 26% Alleluia laudate DominumAlleluia laudate Dominum
  20. 🔍 26% Ecce veniet desideratusEcce veniet desideratus
  21. 🔍 26% Ascendit DeusAscendit Deus
  22. 🔍 26% Anima... liquefactaAnima... liquefacta
  23. 🔍 26% Ecce MariaEcce Maria
  24. 🔍 26% Ecce... Rex DominusEcce... Rex Dominus
  25. 🔍 25% Ecce... princepsEcce... princeps
  26. 🔍 25% Facta est cum AngeloFacta est cum Angelo
  27. 🔍 25% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  28. 🔍 25% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  29. 🔍 25% Fecit nosFecit nos
  30. 🔍 25% Ecce vere IsraelitaEcce vere Israelita
  31. 🔍 25% Ecce Virgo concipietEcce Virgo concipiet
  32. 🔍 25% Christus factus estChristus factus est
  33. 🔍 25% Angelus Domini descendebatAngelus Domini descendebat
  34. 🔍 25% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  35. 🔍 25% Angelorum escaAngelorum esca
  36. 🔍 25% Data est mihiData est mihi
  37. 🔍 25% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  38. 🔍 24% Alleluia Omnes GentesAlleluia Omnes Gentes
  39. 🔍 24% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  40. 🔍 24% Angelus autem DominiAngelus autem Domini
  41. 🔍 24% Ecce video caelosEcce video caelos
  42. 🔍 24% Angelus autem DominiAngelus autem Domini
  43. 🔍 24% Angelus autem DominiAngelus autem Domini
  44. 🔍 24% Assumpta estAssumpta est
  45. 🔍 24% Ecce crucem DominiEcce crucem Domini
  46. 🔍 24% Panis enim Dei estPanis enim Dei est
  47. 🔍 24% Ego plantaviEgo plantavi
  48. 🔍 24% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  49. 🔍 24% Quomodo fiet istudQuomodo fiet istud
  50. 🔍 24% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  51. 🔍 24% Ascendit fumusAscendit fumus
  52. 🔍 24% Fasciculus myrrhae (Resp Br)Fasciculus myrrhae (Resp Br)
  53. 🔍 24% Ecce Dominus meusEcce Dominus meus
  54. 🔍 24% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  55. 🔍 24% Ascendente JesuAscendente Jesu
  56. 🔍 24% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  57. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  58. 🔍 24% Ecce Dominus noster... et illuminabitEcce Dominus noster... et illuminabit
  59. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  60. 🔍 24% Fortitudo mea et lausFortitudo mea et laus
  61. 🔍 24% Alleluia omnes de SabaAlleluia omnes de Saba
  62. 🔍 24% Cum venerit Paraclitus SpiritusCum venerit Paraclitus Spiritus
  63. 🔍 24% ConvocatisConvocatis
  64. 🔍 24% Reges terraeReges terrae
  65. 🔍 24% Et ecce apparueruntEt ecce apparuerunt