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% Exsultet caelum (II)Exsultet caelum (II)
  2. 🔍 72% Deus tuorum II Cl.Deus tuorum II Cl.
  3. 🔍 63% Exsultet caelum (I)Exsultet caelum (I)
  4. 🔍 55% Tristes erant ApostoliTristes erant Apostoli
  5. 🔍 54% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  6. 🔍 52% Paschale mundo gaudiumPaschale mundo gaudium
  7. 🔍 52% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  8. 🔍 52% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  9. 🔍 52% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  10. 🔍 52% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  11. 🔍 52% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  12. 🔍 51% Claro paschali gaudioClaro paschali gaudio
  13. 🔍 51% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  14. 🔍 51% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  15. 🔍 50% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  16. 🔍 48% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  17. 🔍 48% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  18. 🔍 47% Exsultet caelum (III)Exsultet caelum (III)
  19. 🔍 47% Martyr Dei VenantiusMartyr Dei Venantius
  20. 🔍 47% Aeterna... Martyrum (II)Aeterna... Martyrum (II)
  21. 🔍 47% Jesu Redemptor (I)Jesu Redemptor (I)
  22. 🔍 46% Tristes erant ApostoliTristes erant Apostoli
  23. 🔍 46% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  24. 🔍 46% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  25. 🔍 46% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  26. 🔍 45% Martyr Dei (II)Martyr Dei (II)
  27. 🔍 45% Exsultet orbis gaudiisExsultet orbis gaudiis
  28. 🔍 44% Exsultet orbis gaudiisExsultet orbis gaudiis
  29. 🔍 44% Exsultet caelum gaudibus (S. Joanni Evangelistae)Exsultet caelum gaudibus (S. Joanni Evangelistae)
  30. 🔍 44% Tristes erant ApostoliTristes erant Apostoli
  31. 🔍 44% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  32. 🔍 44% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  33. 🔍 43% Dum Nocte PulsaDum Nocte Pulsa
  34. 🔍 43% Tristes erant ApostoliTristes erant Apostoli
  35. 🔍 43% Maiole consors procerumMaiole consors procerum
  36. 🔍 42% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  37. 🔍 41% Te lucis ante terminum (Tot. dupl. II Cl.)Te lucis ante terminum (Tot. dupl. II Cl.)
  38. 🔍 41% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  39. 🔍 40% Athleta Christi nobilisAthleta Christi nobilis
  40. 🔍 40% Martyr Dei VenantiusMartyr Dei Venantius
  41. 🔍 40% Chorus novae IerusalemChorus novae Ierusalem
  42. 🔍 39% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  43. 🔍 39% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  44. 🔍 39% Certum tenentes (In festis)Certum tenentes (In festis)
  45. 🔍 39% Exsultet jam AngelicaExsultet jam Angelica
  46. 🔍 39% Exsultet iam angelicaExsultet iam angelica
  47. 🔍 38% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  48. 🔍 38% Dicamus laudes (In festis)Dicamus laudes (In festis)
  49. 🔍 38% Jesu corona virginum (I)Jesu corona virginum (I)
  50. 🔍 38% Ave stellaAve stella
  51. 🔍 38% O vos aethereiO vos aetherei
  52. 🔍 37% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  53. 🔍 37% Summi Parentis FilioSummi Parentis Filio
  54. 🔍 37% Ternis horarum (In festis)Ternis horarum (In festis)
  55. 🔍 37% Jesu nostra redemptioJesu nostra redemptio
  56. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  57. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  58. 🔍 37% Exsultet jam AngelicaExsultet jam Angelica
  59. 🔍 37% Gloria XIGloria XI
  60. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  61. 🔍 37% Quicumque certumQuicumque certum
  62. 🔍 37% Stephani victoria!Stephani victoria!
  63. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  64. 🔍 36% Gaude mater AnnaGaude mater Anna
  65. 🔍 36% Jesu dulcisJesu dulcis