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% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  2. 🔍 95% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  3. 🔍 76% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  4. 🔍 74% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  5. 🔍 73% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  6. 🔍 72% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  7. 🔍 69% Tristes erant ApostoliTristes erant Apostoli
  8. 🔍 69% Claro paschali gaudioClaro paschali gaudio
  9. 🔍 69% Paschale mundo gaudiumPaschale mundo gaudium
  10. 🔍 68% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  11. 🔍 68% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  12. 🔍 68% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  13. 🔍 67% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  14. 🔍 66% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  15. 🔍 65% Tristes erant ApostoliTristes erant Apostoli
  16. 🔍 65% Martyr Dei VenantiusMartyr Dei Venantius
  17. 🔍 65% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  18. 🔍 65% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  19. 🔍 65% Dum Nocte PulsaDum Nocte Pulsa
  20. 🔍 64% Maiole consors procerumMaiole consors procerum
  21. 🔍 63% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  22. 🔍 63% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  23. 🔍 61% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  24. 🔍 60% Rex gloriose MartyrumRex gloriose Martyrum
  25. 🔍 59% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  26. 🔍 57% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  27. 🔍 57% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  28. 🔍 56% Tristes erant ApostoliTristes erant Apostoli
  29. 🔍 55% Rex gloriose MartyrumRex gloriose Martyrum
  30. 🔍 53% Tristes erant ApostoliTristes erant Apostoli
  31. 🔍 52% Martyr Dei VenantiusMartyr Dei Venantius
  32. 🔍 51% Athleta Christi nobilisAthleta Christi nobilis
  33. 🔍 50% Deus tuorum II Cl.Deus tuorum II Cl.
  34. 🔍 48% Rex Gloriose Martyrum (T.P.)Rex Gloriose Martyrum (T.P.)
  35. 🔍 48% Rex gloriose Martyrum (Alter tonus T. P.)Rex gloriose Martyrum (Alter tonus T. P.)
  36. 🔍 48% Rex gloriose martyrumRex gloriose martyrum
  37. 🔍 48% Exsultet caelum (II)Exsultet caelum (II)
  38. 🔍 48% Rex glorioseRex gloriose
  39. 🔍 46% Rex gloriose MartyrumRex gloriose Martyrum
  40. 🔍 46% Jesu coronaJesu corona
  41. 🔍 45% Jucunda PatrumJucunda Patrum
  42. 🔍 39% Te lucis ante terminum (In Ascensione)Te lucis ante terminum (In Ascensione)
  43. 🔍 39% Quicumque Christum quaeritisQuicumque Christum quaeritis
  44. 🔍 39% Chorus novae IerusalemChorus novae Ierusalem
  45. 🔍 38% Aeterna... Martyrum (II)Aeterna... Martyrum (II)
  46. 🔍 37% Nunc Sancte nobis Spiritus (In Ascensione)Nunc Sancte nobis Spiritus (In Ascensione)
  47. 🔍 37% Jesu Redemptor (I)Jesu Redemptor (I)
  48. 🔍 36% Te lucis ante terminum (In Transfiguratione)Te lucis ante terminum (In Transfiguratione)
  49. 🔍 36% Gloria XIGloria XI
  50. 🔍 35% Gloria IGloria I
  51. 🔍 35% Salutis humanae satorSalutis humanae sator
  52. 🔍 35% Audi benigneAudi benigne
  53. 🔍 34% Certum tenentes (In festis)Certum tenentes (In festis)
  54. 🔍 34% Dicamus laudes (In festis)Dicamus laudes (In festis)
  55. 🔍 34% Ternis horarum (In festis)Ternis horarum (In festis)
  56. 🔍 34% Jesu nostra redemptioJesu nostra redemptio
  57. 🔍 33% Aeterna Christi munera et MartyrumAeterna Christi munera et Martyrum
  58. 🔍 33% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  59. 🔍 33% Deus tuorum militumDeus tuorum militum
  60. 🔍 33% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  61. 🔍 33% Te Deum (Solemn tone)Te Deum (Solemn tone)
  62. 🔍 33% Deus tuorum militumDeus tuorum militum
  63. 🔍 32% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  64. 🔍 32% Stephani victoria!Stephani victoria!
  65. 🔍 32% Adeste sanctiAdeste sancti