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% O admirabile commerciumO admirabile commercium
  2. 🔍 73% O admirabile commerciumO admirabile commercium
  3. 🔍 71% O admirabile commercium (alleluia)O admirabile commercium (alleluia)
  4. 🔍 69% O admirabile commerciumO admirabile commercium
  5. 🔍 68% O admirabile commerciumO admirabile commercium
  6. 🔍 66% O admirabile commerciumO admirabile commercium
  7. 🔍 65% O admirabile commerciumO admirabile commercium
  8. 🔍 32% Pro eo... erisPro eo... eris
  9. 🔍 30% Iste est qui pro legeIste est qui pro lege
  10. 🔍 29% Regali ex progenieRegali ex progenie
  11. 🔍 29% Domine non estDomine non est
  12. 🔍 28% GaudeamusGaudeamus
  13. 🔍 28% Te Deum PatremTe Deum Patrem
  14. 🔍 28% Ex odorisEx odoris
  15. 🔍 28% A solis ortusA solis ortus
  16. 🔍 28% Completi suntCompleti sunt
  17. 🔍 27% Dominus... erexitDominus... erexit
  18. 🔍 27% Majorem caritatemMajorem caritatem
  19. 🔍 27% Tu principatumTu principatum
  20. 🔍 27% Veni Redemptor gentiumVeni Redemptor gentium
  21. 🔍 27% Nunc Sancte nobis SpiritusNunc Sancte nobis Spiritus
  22. 🔍 27% Gaudeamus omnes fidelesGaudeamus omnes fideles
  23. 🔍 27% Exsultet jam AngelicaExsultet jam Angelica
  24. 🔍 26% Pro eo... inquitPro eo... inquit
  25. 🔍 26% Et factum estEt factum est
  26. 🔍 26% Sancta DeiSancta Dei
  27. 🔍 26% Vexilla Regis prodeuntVexilla Regis prodeunt
  28. 🔍 26% O MartineO Martine
  29. 🔍 26% BenedictionemBenedictionem
  30. 🔍 26% Inclina cor meumInclina cor meum
  31. 🔍 26% Natus estNatus est
  32. 🔍 26% Corde et animoCorde et animo
  33. 🔍 26% Ne timeasNe timeas
  34. 🔍 26% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  35. 🔍 25% Summae Deus clementiae septemSummae Deus clementiae septem
  36. 🔍 25% Beata es MariaBeata es Maria
  37. 🔍 25% Tibi Redemptor omniumTibi Redemptor omnium
  38. 🔍 25% Gloriosus Dei amicusGloriosus Dei amicus
  39. 🔍 25% Sapientia clamitatSapientia clamitat
  40. 🔍 25% Vexilla RegisVexilla Regis
  41. 🔍 25% Misericordia DominiMisericordia Domini
  42. 🔍 25% Ave verumAve verum
  43. 🔍 25% Ecce ego JoannesEcce ego Joannes
  44. 🔍 25% Turba multaTurba multa
  45. 🔍 25% Beata AgathaBeata Agatha
  46. 🔍 25% Cum iratusCum iratus
  47. 🔍 25% In humilitateIn humilitate
  48. 🔍 25% Parvulus filiusParvulus filius
  49. 🔍 25% Audi benigneAudi benigne
  50. 🔍 24% Rerum omniumRerum omnium
  51. 🔍 24% In spirituIn spiritu
  52. 🔍 24% Cum esset desponsataCum esset desponsata
  53. 🔍 24% NesciensNesciens
  54. 🔍 24% Missus est GabrielMissus est Gabriel
  55. 🔍 24% Dominus mihi adjutorDominus mihi adjutor
  56. 🔍 24% Jacob autemJacob autem
  57. 🔍 24% Omnis expertemOmnis expertem
  58. 🔍 24% Miserere (Ps 50)Miserere (Ps 50)
  59. 🔍 24% Accessit JesusAccessit Jesus
  60. 🔍 24% Magister quod estMagister quod est
  61. 🔍 24% Si iniquitates (Ant)Si iniquitates (Ant)
  62. 🔍 24% Ecce completa suntEcce completa sunt
  63. 🔍 24% Ascendente JesuAscendente Jesu
  64. 🔍 24% Dominus... plebemDominus... plebem
  65. 🔍 24% Simile est... hominiSimile est... homini