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% Tristes erant ApostoliTristes erant Apostoli
  2. 🔍 98% Tristes erant Apostoli (In Ascensione)Tristes erant Apostoli (In Ascensione)
  3. 🔍 80% Tristes erant ApostoliTristes erant Apostoli
  4. 🔍 75% Martyr Dei VenantiusMartyr Dei Venantius
  5. 🔍 75% Athleta Christi nobilisAthleta Christi nobilis
  6. 🔍 68% Tristes erant ApostoliTristes erant Apostoli
  7. 🔍 65% Paschale mundo gaudiumPaschale mundo gaudium
  8. 🔍 63% Paschale mundo gaudium (In Ascensione)Paschale mundo gaudium (In Ascensione)
  9. 🔍 62% Tristes erant ApostoliTristes erant Apostoli
  10. 🔍 60% Fortem virili (Tristes erant tonus)Fortem virili (Tristes erant tonus)
  11. 🔍 59% Claro paschali gaudioClaro paschali gaudio
  12. 🔍 58% Deus tuorum militum (Tempore Paschali)Deus tuorum militum (Tempore Paschali)
  13. 🔍 58% Jesu corona Virginum (Tristes erant Tonus)Jesu corona Virginum (Tristes erant Tonus)
  14. 🔍 57% Invicte Martyr unicum (Temp. Pasch.)Invicte Martyr unicum (Temp. Pasch.)
  15. 🔍 57% Dum nocte pulsa LuciferDum nocte pulsa Lucifer
  16. 🔍 56% Deus tuorum militum (In Ascensione)Deus tuorum militum (In Ascensione)
  17. 🔍 56% Dum Nocte PulsaDum Nocte Pulsa
  18. 🔍 56% Maiole consors procerumMaiole consors procerum
  19. 🔍 56% Invicte Martyr unicum (In Ascensione)Invicte Martyr unicum (In Ascensione)
  20. 🔍 56% Rex gloriose Martyrum (Tempore Paschali)Rex gloriose Martyrum (Tempore Paschali)
  21. 🔍 55% Jesu corona Virginum (In Tempore Paschali)Jesu corona Virginum (In Tempore Paschali)
  22. 🔍 55% Jesu Redemptor omnium (T. Paschali)Jesu Redemptor omnium (T. Paschali)
  23. 🔍 55% Jesu corona Virginum (In Tempore Ascensionis)Jesu corona Virginum (In Tempore Ascensionis)
  24. 🔍 55% Salve virilis pectoris (in Tempore Paschali)Salve virilis pectoris (in Tempore Paschali)
  25. 🔍 54% Paschale mundoPaschale mundo
  26. 🔍 53% Rex gloriose Martyrum (In Ascensione)Rex gloriose Martyrum (In Ascensione)
  27. 🔍 53% Martyr Dei VenantiusMartyr Dei Venantius
  28. 🔍 53% Triumphat mundi principem (in Tempore Paschali)Triumphat mundi principem (in Tempore Paschali)
  29. 🔍 52% Summi sacerdos Numinis (in Tempore Paschali)Summi sacerdos Numinis (in Tempore Paschali)
  30. 🔍 48% Rex Gloriose Martyrum (T.P.)Rex Gloriose Martyrum (T.P.)
  31. 🔍 46% Exsultet caelum (II)Exsultet caelum (II)
  32. 🔍 43% Deus tuorum II Cl.Deus tuorum II Cl.
  33. 🔍 41% Quicumque ChristumQuicumque Christum
  34. 🔍 40% Jesu nostra redemptioJesu nostra redemptio
  35. 🔍 40% Salutis humanae SatorSalutis humanae Sator
  36. 🔍 39% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  37. 🔍 39% Jam lucis orto sidere (In Ascensione)Jam lucis orto sidere (In Ascensione)
  38. 🔍 39% Jam lucis orto sidere (In Transfiguratione)Jam lucis orto sidere (In Transfiguratione)
  39. 🔍 39% Jesu coronaJesu corona
  40. 🔍 39% Quicumque Christum quaeritisQuicumque Christum quaeritis
  41. 🔍 39% Te lucis ante terminum (In Tempore Ascensionis)Te lucis ante terminum (In Tempore Ascensionis)
  42. 🔍 38% Rector potens (In Ascensione)Rector potens (In Ascensione)
  43. 🔍 38% Rerum Deus tenax vigor (In Ascensione)Rerum Deus tenax vigor (In Ascensione)
  44. 🔍 38% Rector potens verax Deus (In Ascensione)Rector potens verax Deus (In Ascensione)
  45. 🔍 38% Rector potens verax Deus (In Transfiguratione)Rector potens verax Deus (In Transfiguratione)
  46. 🔍 38% Jucunda PatrumJucunda Patrum
  47. 🔍 38% Rerum deus tenax vigor (In Ascensione)Rerum deus tenax vigor (In Ascensione)
  48. 🔍 37% Rerum Deus tenax vigor (In Transfiguratione)Rerum Deus tenax vigor (In Transfiguratione)
  49. 🔍 37% Nunc sancte nobis Spiritus (In Ascensione)Nunc sancte nobis Spiritus (In Ascensione)
  50. 🔍 37% Nunc sancte nobis Spiritus (In Transfiguratione)Nunc sancte nobis Spiritus (In Transfiguratione)
  51. 🔍 37% Nunc Sancte nobis (In Ascensione)Nunc Sancte nobis (In Ascensione)
  52. 🔍 35% Chorus novae IerusalemChorus novae Ierusalem
  53. 🔍 33% Aeterne Rex altissimeAeterne Rex altissime
  54. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  55. 🔍 32% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  56. 🔍 32% Te Deum (Solemn tone)Te Deum (Solemn tone)
  57. 🔍 32% Aeterna... Apostolorum (I)Aeterna... Apostolorum (I)
  58. 🔍 32% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  59. 🔍 31% Gaude mater AnnaGaude mater Anna
  60. 🔍 31% Crux fidelisCrux fidelis
  61. 🔍 30% O gloriosa DominaO gloriosa Domina
  62. 🔍 30% O quantum in CruceO quantum in Cruce
  63. 🔍 30% Quicumque Christum quaeritisQuicumque Christum quaeritis
  64. 🔍 30% Rerum Deus fonsRerum Deus fons
  65. 🔍 30% Optatus votis omniumOptatus votis omnium