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% Quodcumque in orbeQuodcumque in orbe
  2. 🔍 89% Quodcumque in orbeQuodcumque in orbe
  3. 🔍 74% Quodcumque in orbeQuodcumque in orbe
  4. 🔍 61% Miris modis repenteMiris modis repente
  5. 🔍 53% Miris modis repente liberMiris modis repente liber
  6. 🔍 47% Quodcumque vinclisQuodcumque vinclis
  7. 🔍 44% Felix per omnesFelix per omnes
  8. 🔍 44% Legis sacrataeLegis sacratae
  9. 🔍 43% Tu Trinitatis UnitasTu Trinitatis Unitas
  10. 🔍 42% Jam sol receditJam sol recedit
  11. 🔍 41% Jam sol receditJam sol recedit
  12. 🔍 40% Tu Trinitatis unitasTu Trinitatis unitas
  13. 🔍 40% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  14. 🔍 40% A solis ortusA solis ortus
  15. 🔍 40% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  16. 🔍 40% Veni Redemptor gentiumVeni Redemptor gentium
  17. 🔍 39% Invicte Martyr unicumInvicte Martyr unicum
  18. 🔍 39% Ex more docti mysticoEx more docti mystico
  19. 🔍 39% Jam sol recedit igneusJam sol recedit igneus
  20. 🔍 39% Rex gloriose MartyrumRex gloriose Martyrum
  21. 🔍 39% O castitatis signiferO castitatis signifer
  22. 🔍 39% Summi Parentis FilioSummi Parentis Filio
  23. 🔍 39% O lux beata TrinitasO lux beata Trinitas
  24. 🔍 39% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  25. 🔍 38% O lux beata TrinitasO lux beata Trinitas
  26. 🔍 38% Petrus beatusPetrus beatus
  27. 🔍 38% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  28. 🔍 38% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  29. 🔍 37% Immensa et unaImmensa et una
  30. 🔍 37% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  31. 🔍 37% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  32. 🔍 37% Jesu nostra redemptioJesu nostra redemptio
  33. 🔍 37% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  34. 🔍 37% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  35. 🔍 37% Ex more docti mysticoEx more docti mystico
  36. 🔍 37% O Roma felixO Roma felix
  37. 🔍 37% Custodes hominumCustodes hominum
  38. 🔍 36% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  39. 🔍 36% Alto ex Olympi verticeAlto ex Olympi vertice
  40. 🔍 36% Beate Pastor PetreBeate Pastor Petre
  41. 🔍 36% Miserere mei... secundumMiserere mei... secundum
  42. 🔍 36% Te Deum PatremTe Deum Patrem
  43. 🔍 36% A solis ortus cardineA solis ortus cardine
  44. 🔍 36% Beate Pastor PetreBeate Pastor Petre
  45. 🔍 36% Tu Trinitatis UnitasTu Trinitatis Unitas
  46. 🔍 36% Benedicta semperBenedicta semper
  47. 🔍 36% Te Deum (Solemn tone)Te Deum (Solemn tone)
  48. 🔍 35% Hostis HerodesHostis Herodes
  49. 🔍 35% In martyris LaurentiiIn martyris Laurentii
  50. 🔍 35% Te Deum (Simple tone)Te Deum (Simple tone)
  51. 🔍 35% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  52. 🔍 35% Laetare caelum desuperLaetare caelum desuper
  53. 🔍 35% Crudelis HerodesCrudelis Herodes
  54. 🔍 35% Gloria XIIIGloria XIII
  55. 🔍 35% Martyr Dei, qui unicumMartyr Dei, qui unicum
  56. 🔍 35% Te Matrem laudamusTe Matrem laudamus
  57. 🔍 35% Aeterne rerum conditorAeterne rerum conditor
  58. 🔍 34% Martyr Dei qui unicumMartyr Dei qui unicum
  59. 🔍 34% Hymnus Te DeumHymnus Te Deum
  60. 🔍 34% Nunc Sancte nobis Spiritus (In Quadragesima)Nunc Sancte nobis Spiritus (In Quadragesima)
  61. 🔍 34% Quicumque Christum quaeritisQuicumque Christum quaeritis
  62. 🔍 34% Beate Pastor PetreBeate Pastor Petre
  63. 🔍 34% Deus tuorum militumDeus tuorum militum
  64. 🔍 34% Regali solio fortisRegali solio fortis
  65. 🔍 34% Nunc tempus acceptabileNunc tempus acceptabile