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% RequiemRequiem
  2. 🔍 45% Requiem (Intr.)Requiem (Intr.)
  3. 🔍 37% Requiem (Ant.)Requiem (Ant.)
  4. 🔍 37% Requiem (Intr.)Requiem (Intr.)
  5. 🔍 35% Lux aeternaLux aeterna
  6. 🔍 33% Requiem (simple)Requiem (simple)
  7. 🔍 33% Requiem (Officium)Requiem (Officium)
  8. 🔍 31% Requiem (Intr.)Requiem (Intr.)
  9. 🔍 30% Lux aeternaLux aeterna
  10. 🔍 28% Lux aeternaLux aeterna
  11. 🔍 27% Tria sunt muneraTria sunt munera
  12. 🔍 27% Felix namque esFelix namque es
  13. 🔍 26% Ecce sic benediceturEcce sic benedicetur
  14. 🔍 26% Descendit de caelis DeusDescendit de caelis Deus
  15. 🔍 26% Lux aeternaLux aeterna
  16. 🔍 26% Lux aeternaLux aeterna
  17. 🔍 25% Clama in fortitudineClama in fortitudine
  18. 🔍 25% Dona eis, DomineDona eis, Domine
  19. 🔍 24% Requiem aeternamRequiem aeternam
  20. 🔍 24% Requiem aeternamRequiem aeternam
  21. 🔍 24% Gloria Patri (mode VI)Gloria Patri (mode VI)
  22. 🔍 24% RequiemRequiem
  23. 🔍 23% Tu es, DomineTu es, Domine
  24. 🔍 23% Domine Deus... qui repertusDomine Deus... qui repertus
  25. 🔍 23% EmendemusEmendemus
  26. 🔍 23% Non vos relinquamNon vos relinquam
  27. 🔍 23% Domine Deus... vidi cumDomine Deus... vidi cum
  28. 🔍 23% RequiemRequiem
  29. 🔍 22% Diffusa est (Com.)Diffusa est (Com.)
  30. 🔍 22% Exivi a PatreExivi a Patre
  31. 🔍 22% HolocaustumHolocaustum
  32. 🔍 22% Veni Sancte SpiritusVeni Sancte Spiritus
  33. 🔍 21% Deum, qui suosDeum, qui suos
  34. 🔍 21% Sancta et immaculataSancta et immaculata
  35. 🔍 21% Verbum caro factum est ... allel.Verbum caro factum est ... allel.
  36. 🔍 21% Audi benigneAudi benigne
  37. 🔍 21% Honora DominumHonora Dominum
  38. 🔍 20% O castitatis signiferO castitatis signifer
  39. 🔍 20% Transite ad meTransite ad me
  40. 🔍 20% SapientiamSapientiam
  41. 🔍 20% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  42. 🔍 20% Inclinavit DominusInclinavit Dominus
  43. 🔍 20% Tu Trinitatis UnitasTu Trinitatis Unitas
  44. 🔍 20% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  45. 🔍 20% Tantum ergo.Tantum ergo.
  46. 🔍 20% Potum meumPotum meum
  47. 🔍 20% Suscepimus DeusSuscepimus Deus
  48. 🔍 20% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  49. 🔍 20% IlluminaIllumina
  50. 🔍 20% Discite a meDiscite a me
  51. 🔍 20% Gloria Patri (mode I)Gloria Patri (mode I)
  52. 🔍 20% Per memetipsum juravi (Resp.)Per memetipsum juravi (Resp.)
  53. 🔍 20% Beata MaterBeata Mater
  54. 🔍 20% Non vos relinquamNon vos relinquam
  55. 🔍 19% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  56. 🔍 19% Reges Tharsis (Responsorium)Reges Tharsis (Responsorium)
  57. 🔍 19% Ave verumAve verum
  58. 🔍 19% Ave Regina CaelorumAve Regina Caelorum
  59. 🔍 19% RequiemRequiem
  60. 🔍 19% In virtute tuaIn virtute tua
  61. 🔍 19% Emitte Agnum Domine (Resp.)Emitte Agnum Domine (Resp.)
  62. 🔍 19% Spiritus DominiSpiritus Domini
  63. 🔍 19% Salus nostra in manu tua est (Resp.)Salus nostra in manu tua est (Resp.)
  64. 🔍 19% Ne perdas cum impiis (Resp.)Ne perdas cum impiis (Resp.)
  65. 🔍 19% Ecce ancilla DominiEcce ancilla Domini