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% Testis mihi estTestis mihi est
  2. 🔍 45% Deus sanguinemDeus sanguinem
  3. 🔍 44% Memor fuiMemor fui
  4. 🔍 43% Os justiOs justi
  5. 🔍 43% Inveni DavidInveni David
  6. 🔍 34% Testis est mihi DeusTestis est mihi Deus
  7. 🔍 32% DesideriumDesiderium
  8. 🔍 32% EruditusEruditus
  9. 🔍 32% Qui confiduntQui confidunt
  10. 🔍 32% Testis mihiTestis mihi
  11. 🔍 31% Timebunt gentesTimebunt gentes
  12. 🔍 31% Sciant gentesSciant gentes
  13. 🔍 31% Surge DomineSurge Domine
  14. 🔍 31% Testis mihiTestis mihi
  15. 🔍 30% Beata gensBeata gens
  16. 🔍 30% Miserere mei DeusMiserere mei Deus
  17. 🔍 30% Os justiOs justi
  18. 🔍 29% Domine praevenistiDomine praevenisti
  19. 🔍 29% Testis est mihiTestis est mihi
  20. 🔍 29% AnnuntiateAnnuntiate
  21. 🔍 29% UniversiUniversi
  22. 🔍 29% Inveni DavidInveni David
  23. 🔍 29% Tu gloriaTu gloria
  24. 🔍 29% Sapientia hujus mundiSapientia hujus mundi
  25. 🔍 28% Tu gloria JerusalemTu gloria Jerusalem
  26. 🔍 28% Benedicta et venerabilisBenedicta et venerabilis
  27. 🔍 28% Ab ortu solisAb ortu solis
  28. 🔍 28% Qui timetisQui timetis
  29. 🔍 28% Ab ortu solisAb ortu solis
  30. 🔍 27% Pontifex sacerdosPontifex sacerdos
  31. 🔍 27% Surge DomineSurge Domine
  32. 🔍 27% DolorosaDolorosa
  33. 🔍 27% Esto mihiEsto mihi
  34. 🔍 27% Laudate... omnes gentesLaudate... omnes gentes
  35. 🔍 27% Qui confiduntQui confidunt
  36. 🔍 27% Bernardus Doctor inclytusBernardus Doctor inclytus
  37. 🔍 27% Saepe expugnaveruntSaepe expugnaverunt
  38. 🔍 27% Sapientia hujus mundiSapientia hujus mundi
  39. 🔍 26% Custodi meCustodi me
  40. 🔍 26% Super flumina (verses)Super flumina (verses)
  41. 🔍 26% Exsurge... et intendeExsurge... et intende
  42. 🔍 26% Tu gloria Jerusalem (Tract)Tu gloria Jerusalem (Tract)
  43. 🔍 26% AnnuntiateAnnuntiate
  44. 🔍 26% Custodi meCustodi me
  45. 🔍 26% Veni sponsa ChristiVeni sponsa Christi
  46. 🔍 26% Tota formosaTota formosa
  47. 🔍 25% Surge DomineSurge Domine
  48. 🔍 25% Tenuisti manumTenuisti manum
  49. 🔍 25% Esto mihiEsto mihi
  50. 🔍 25% HolocaustumHolocaustum
  51. 🔍 25% Qui confiduntQui confidunt
  52. 🔍 25% Nunc ergoNunc ergo
  53. 🔍 25% Ego sumEgo sum
  54. 🔍 25% Qui seminantQui seminant
  55. 🔍 25% Exsurge Domine DeusExsurge Domine Deus
  56. 🔍 25% DesideriumDesiderium
  57. 🔍 25% Domine ne longeDomine ne longe
  58. 🔍 25% Ave MariaAve Maria
  59. 🔍 25% AnnuntiateAnnuntiate
  60. 🔍 25% Ecce quam bonum. V. QuoniamEcce quam bonum. V. Quoniam
  61. 🔍 24% Beata AgathaBeata Agatha
  62. 🔍 24% Te Deum PatremTe Deum Patrem
  63. 🔍 24% Pontifex sacerdosPontifex sacerdos
  64. 🔍 24% Manum suamManum suam
  65. 🔍 24% LavaboLavabo