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. 🔍 70% Quodcumque in orbeQuodcumque in orbe
  4. 🔍 62% Miris modis repente liberMiris modis repente liber
  5. 🔍 53% Miris modis repenteMiris modis repente
  6. 🔍 46% Quodcumque vinclisQuodcumque vinclis
  7. 🔍 41% Legis sacrataeLegis sacratae
  8. 🔍 40% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  9. 🔍 40% Felix per omnesFelix per omnes
  10. 🔍 39% Jam sol receditJam sol recedit
  11. 🔍 39% Jam sol recedit igneusJam sol recedit igneus
  12. 🔍 39% Tu Trinitatis UnitasTu Trinitatis Unitas
  13. 🔍 38% Jam sol receditJam sol recedit
  14. 🔍 38% O castitatis signiferO castitatis signifer
  15. 🔍 38% Tu Trinitatis unitasTu Trinitatis unitas
  16. 🔍 38% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  17. 🔍 38% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  18. 🔍 37% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  19. 🔍 37% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  20. 🔍 37% Petrus beatusPetrus beatus
  21. 🔍 36% O lux beata TrinitasO lux beata Trinitas
  22. 🔍 36% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  23. 🔍 36% Immensa et unaImmensa et una
  24. 🔍 36% Custodes hominumCustodes hominum
  25. 🔍 36% O lux beata TrinitasO lux beata Trinitas
  26. 🔍 35% Invicte Martyr unicumInvicte Martyr unicum
  27. 🔍 35% Veni Redemptor gentiumVeni Redemptor gentium
  28. 🔍 35% A solis ortusA solis ortus
  29. 🔍 35% Ex more docti mysticoEx more docti mystico
  30. 🔍 35% Summi Parentis FilioSummi Parentis Filio
  31. 🔍 34% Beate Pastor PetreBeate Pastor Petre
  32. 🔍 34% Miserere mei... secundumMiserere mei... secundum
  33. 🔍 34% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  34. 🔍 34% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  35. 🔍 34% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  36. 🔍 34% Tu Trinitatis UnitasTu Trinitatis Unitas
  37. 🔍 34% Benedicta semperBenedicta semper
  38. 🔍 34% O Roma felixO Roma felix
  39. 🔍 33% A solis ortus cardineA solis ortus cardine
  40. 🔍 33% A solis ortus cardineA solis ortus cardine
  41. 🔍 33% Crudelis HerodesCrudelis Herodes
  42. 🔍 33% Crudelis Herodes DeumCrudelis Herodes Deum
  43. 🔍 33% Alto ex Olympi verticeAlto ex Olympi vertice
  44. 🔍 33% Laetare caelum desuperLaetare caelum desuper
  45. 🔍 33% Gloria XIIIGloria XIII
  46. 🔍 33% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  47. 🔍 33% Te Deum (Solemn tone)Te Deum (Solemn tone)
  48. 🔍 33% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  49. 🔍 33% Martyr Dei, qui unicumMartyr Dei, qui unicum
  50. 🔍 32% Veni Creator SpiritusVeni Creator Spiritus
  51. 🔍 32% Te Deum (Simple tone)Te Deum (Simple tone)
  52. 🔍 32% Te Deum PatremTe Deum Patrem
  53. 🔍 32% Custodes hominum psallimusCustodes hominum psallimus
  54. 🔍 32% Te Matrem laudamusTe Matrem laudamus
  55. 🔍 32% Deus tuorum militumDeus tuorum militum
  56. 🔍 32% Regali solio fortisRegali solio fortis
  57. 🔍 32% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  58. 🔍 32% Hostis HerodesHostis Herodes
  59. 🔍 32% Martyr Dei qui unicumMartyr Dei qui unicum
  60. 🔍 32% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  61. 🔍 32% Rerum Deus tenax vigor (In Quadragesima)Rerum Deus tenax vigor (In Quadragesima)
  62. 🔍 32% Gloria VIIGloria VII
  63. 🔍 32% Rex gloriose MartyrumRex gloriose Martyrum
  64. 🔍 32% Beate Pastor PetreBeate Pastor Petre
  65. 🔍 31% In aeternum DomineIn aeternum Domine