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 (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  2. 🔍 94% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  3. 🔍 74% Tristes erant ApostoliTristes erant Apostoli
  4. 🔍 73% Paschale mundo gaudiumPaschale mundo gaudium
  5. 🔍 73% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  6. 🔍 73% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  7. 🔍 72% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  8. 🔍 70% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  9. 🔍 70% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  10. 🔍 70% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  11. 🔍 69% Claro paschali gaudioClaro paschali gaudio
  12. 🔍 69% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  13. 🔍 68% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  14. 🔍 68% Tristes erant ApostoliTristes erant Apostoli
  15. 🔍 67% Martyr Dei VenantiusMartyr Dei Venantius
  16. 🔍 66% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  17. 🔍 65% Maiole consors procerumMaiole consors procerum
  18. 🔍 65% Dum Nocte PulsaDum Nocte Pulsa
  19. 🔍 65% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  20. 🔍 65% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  21. 🔍 64% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  22. 🔍 62% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  23. 🔍 61% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  24. 🔍 58% Tristes erant ApostoliTristes erant Apostoli
  25. 🔍 57% Tristes erant ApostoliTristes erant Apostoli
  26. 🔍 57% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  27. 🔍 55% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  28. 🔍 54% Martyr Dei VenantiusMartyr Dei Venantius
  29. 🔍 51% Athleta Christi nobilisAthleta Christi nobilis
  30. 🔍 51% Exsultet caelum (II)Exsultet caelum (II)
  31. 🔍 50% Invicte Martyr unicumInvicte Martyr unicum
  32. 🔍 49% Deus tuorum II Cl.Deus tuorum II Cl.
  33. 🔍 49% Invicte Martyr unicum (Alter tonus T. P.)Invicte Martyr unicum (Alter tonus T. P.)
  34. 🔍 48% Martyr Dei (II)Martyr Dei (II)
  35. 🔍 45% Jesu coronaJesu corona
  36. 🔍 45% Martyr Dei (I)Martyr Dei (I)
  37. 🔍 44% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  38. 🔍 44% Jucunda PatrumJucunda Patrum
  39. 🔍 41% Invicte MartyrInvicte Martyr
  40. 🔍 41% Chorus novae IerusalemChorus novae Ierusalem
  41. 🔍 38% Martyr DeiMartyr Dei
  42. 🔍 37% Martyr Dei qui unicumMartyr Dei qui unicum
  43. 🔍 37% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  44. 🔍 37% Martyr Dei qui unicumMartyr Dei qui unicum
  45. 🔍 36% Martyr Dei, qui unicumMartyr Dei, qui unicum
  46. 🔍 36% Quicumque Christum quaeritisQuicumque Christum quaeritis
  47. 🔍 36% Ternis horarum (In festis)Ternis horarum (In festis)
  48. 🔍 36% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  49. 🔍 36% Stephani victoria!Stephani victoria!
  50. 🔍 35% Dicamus laudes (In festis)Dicamus laudes (In festis)
  51. 🔍 35% Certum tenentes (In festis)Certum tenentes (In festis)
  52. 🔍 34% Salutis humanae satorSalutis humanae sator
  53. 🔍 34% Exsultet jam AngelicaExsultet jam Angelica
  54. 🔍 34% Mente jucundaMente jucunda
  55. 🔍 34% Summi Parentis FilioSummi Parentis Filio
  56. 🔍 34% Gloria XIGloria XI
  57. 🔍 34% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  58. 🔍 34% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  59. 🔍 34% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  60. 🔍 34% Credo IVCredo IV
  61. 🔍 34% Te Deum (Solemn tone)Te Deum (Solemn tone)
  62. 🔍 34% Gloria IGloria I
  63. 🔍 33% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  64. 🔍 33% Crux fidelisCrux fidelis
  65. 🔍 33% Ave Maria... virgo serenaAve Maria... virgo serena