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: 2025-12-20. 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% Nigra sumNigra sum
  2. 🔍 81% Nigra sumNigra sum
  3. 🔍 71% Nigra sumNigra sum
  4. 🔍 66% Nigra sum sed formosaNigra sum sed formosa
  5. 🔍 65% Nigra sum sed formosaNigra sum sed formosa
  6. 🔍 52% Nigra sumNigra sum
  7. 🔍 27% JucundareJucundare
  8. 🔍 27% Ego sum qui testimoniumEgo sum qui testimonium
  9. 🔍 26% Domine non sum dignusDomine non sum dignus
  10. 🔍 26% Speciosa facta es (I)Speciosa facta es (I)
  11. 🔍 26% Dabo in SionDabo in Sion
  12. 🔍 25% Lauda JerusalemLauda Jerusalem
  13. 🔍 25% Ego sum ostiumEgo sum ostium
  14. 🔍 24% Iratus rex SaulIratus rex Saul
  15. 🔍 24% Medicinam carnalemMedicinam carnalem
  16. 🔍 24% Jerusalem respiceJerusalem respice
  17. 🔍 24% Non invenientesNon invenientes
  18. 🔍 24% Quis es tuQuis es tu
  19. 🔍 24% Judaea et JerusalemJudaea et Jerusalem
  20. 🔍 24% Adjuro vos filiaeAdjuro vos filiae
  21. 🔍 23% Miserere mei... secundumMiserere mei... secundum
  22. 🔍 23% Jam hiemsJam hiems
  23. 🔍 23% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  24. 🔍 23% Ista est speciosa (Virginum)Ista est speciosa (Virginum)
  25. 🔍 23% Ego sum qui sumEgo sum qui sum
  26. 🔍 23% Ibant parentes JesuIbant parentes Jesu
  27. 🔍 23% Laetatus sumLaetatus sum
  28. 🔍 23% Respexit meRespexit me
  29. 🔍 23% Fortitudo mea et lausFortitudo mea et laus
  30. 🔍 23% Super te Jerusalem orieturSuper te Jerusalem orietur
  31. 🔍 22% Fac benigneFac benigne
  32. 🔍 22% ElevareElevare
  33. 🔍 22% Dabo in SionDabo in Sion
  34. 🔍 22% Ego sum qui testimoniumEgo sum qui testimonium
  35. 🔍 22% LaudaboLaudabo
  36. 🔍 22% Jerusalem gaudeJerusalem gaude
  37. 🔍 22% Ego sum qui sumEgo sum qui sum
  38. 🔍 22% Rex pacificusRex pacificus
  39. 🔍 22% Cum inducerentCum inducerent
  40. 🔍 22% Leva JerusalemLeva Jerusalem
  41. 🔍 22% Tunc assumpsitTunc assumpsit
  42. 🔍 22% Benedico... FiliumBenedico... Filium
  43. 🔍 22% O Virgo virginumO Virgo virginum
  44. 🔍 22% Animae impiorumAnimae impiorum
  45. 🔍 22% Sic Deus dilexitSic Deus dilexit
  46. 🔍 21% Ponam in SionPonam in Sion
  47. 🔍 21% Tu autem cum oraverisTu autem cum oraveris
  48. 🔍 21% Ingressus AngelusIngressus Angelus
  49. 🔍 21% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  50. 🔍 21% Dabo in SionDabo in Sion
  51. 🔍 21% Ego sum qui sumEgo sum qui sum
  52. 🔍 21% Exibunt aquae vivaeExibunt aquae vivae
  53. 🔍 21% Dixit Mater JesuDixit Mater Jesu
  54. 🔍 21% Cum redirentCum redirent
  55. 🔍 21% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  56. 🔍 21% Tu gloria... o RosaTu gloria... o Rosa
  57. 🔍 21% Fecit OrdiniFecit Ordini
  58. 🔍 21% Induit DominusInduit Dominus
  59. 🔍 21% Zelo zelata sumZelo zelata sum
  60. 🔍 21% Respexit Dominus (I)Respexit Dominus (I)
  61. 🔍 21% Totus formosus!Totus formosus!
  62. 🔍 21% Dixit Dominus DominoDixit Dominus Domino
  63. 🔍 21% Purificatio B. M. V.Purificatio B. M. V.
  64. 🔍 21% Cum turba plurimaCum turba plurima
  65. 🔍 21% SalutareSalutare