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% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  2. 🔍 94% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  3. 🔍 75% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  4. 🔍 74% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  5. 🔍 74% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  6. 🔍 72% Tristes erant ApostoliTristes erant Apostoli
  7. 🔍 71% Paschale mundo gaudiumPaschale mundo gaudium
  8. 🔍 71% Claro paschali gaudioClaro paschali gaudio
  9. 🔍 70% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  10. 🔍 70% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  11. 🔍 70% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  12. 🔍 69% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  13. 🔍 68% Tristes erant ApostoliTristes erant Apostoli
  14. 🔍 68% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  15. 🔍 67% Martyr Dei VenantiusMartyr Dei Venantius
  16. 🔍 66% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  17. 🔍 66% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  18. 🔍 66% Maiole consors procerumMaiole consors procerum
  19. 🔍 66% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  20. 🔍 66% Dum Nocte PulsaDum Nocte Pulsa
  21. 🔍 64% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  22. 🔍 63% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  23. 🔍 62% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  24. 🔍 59% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  25. 🔍 58% Tristes erant ApostoliTristes erant Apostoli
  26. 🔍 57% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  27. 🔍 56% Tristes erant ApostoliTristes erant Apostoli
  28. 🔍 54% Martyr Dei VenantiusMartyr Dei Venantius
  29. 🔍 52% Athleta Christi nobilisAthleta Christi nobilis
  30. 🔍 51% Exsultet caelum (II)Exsultet caelum (II)
  31. 🔍 49% Invicte Martyr unicumInvicte Martyr unicum
  32. 🔍 48% Deus tuorum II Cl.Deus tuorum II Cl.
  33. 🔍 48% Martyr Dei (II)Martyr Dei (II)
  34. 🔍 46% Jesu coronaJesu corona
  35. 🔍 46% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  36. 🔍 46% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  37. 🔍 45% Jucunda PatrumJucunda Patrum
  38. 🔍 44% Martyr Dei (I)Martyr Dei (I)
  39. 🔍 41% Chorus novae IerusalemChorus novae Ierusalem
  40. 🔍 41% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  41. 🔍 41% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  42. 🔍 41% Invicte MartyrInvicte Martyr
  43. 🔍 39% Martyr DeiMartyr Dei
  44. 🔍 38% Martyr Dei, qui unicumMartyr Dei, qui unicum
  45. 🔍 38% Martyr Dei qui unicumMartyr Dei qui unicum
  46. 🔍 38% Quicumque Christum quaeritisQuicumque Christum quaeritis
  47. 🔍 38% Martyr Dei qui unicumMartyr Dei qui unicum
  48. 🔍 37% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  49. 🔍 37% Stephani victoria!Stephani victoria!
  50. 🔍 35% Exsultet jam AngelicaExsultet jam Angelica
  51. 🔍 35% Gloria XIGloria XI
  52. 🔍 35% Certum tenentes (In festis)Certum tenentes (In festis)
  53. 🔍 35% Salutis humanae satorSalutis humanae sator
  54. 🔍 35% Dicamus laudes (In festis)Dicamus laudes (In festis)
  55. 🔍 34% Ave Maria... virgo serenaAve Maria... virgo serena
  56. 🔍 34% Gloria IGloria I
  57. 🔍 34% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  58. 🔍 34% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  59. 🔍 34% Te Deum (Solemn tone)Te Deum (Solemn tone)
  60. 🔍 34% Mente jucundaMente jucunda
  61. 🔍 34% Audi benigneAudi benigne
  62. 🔍 34% Ternis horarum (In festis)Ternis horarum (In festis)
  63. 🔍 34% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  64. 🔍 34% Credo IVCredo IV
  65. 🔍 34% Summi Parentis FilioSummi Parentis Filio