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% Gaude felix parensGaude felix parens
  2. 🔍 62% Gaude felix materGaude felix mater
  3. 🔍 52% Felix DominiciFelix Dominici
  4. 🔍 34% Felix ThomasFelix Thomas
  5. 🔍 33% Diem novae laudisDiem novae laudis
  6. 🔍 32% Salve ReginaSalve Regina
  7. 🔍 31% CollaeteturCollaetetur
  8. 🔍 31% InclytaInclyta
  9. 🔍 30% Gaude Mater EcclesiaGaude Mater Ecclesia
  10. 🔍 29% Vexilla Regis prodeuntVexilla Regis prodeunt
  11. 🔍 29% Salve ReginaSalve Regina
  12. 🔍 29% Sertum gestansSertum gestans
  13. 🔍 29% Iam ChristusIam Christus
  14. 🔍 28% MilitantisMilitantis
  15. 🔍 28% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 28% Gloria XIIIGloria XIII
  17. 🔍 28% Audita est quasi voxAudita est quasi vox
  18. 🔍 28% Beata nobis gaudiaBeata nobis gaudia
  19. 🔍 28% Jam Christus astraJam Christus astra
  20. 🔍 28% Jam Christus astraJam Christus astra
  21. 🔍 28% Gloriosus Dei amicusGloriosus Dei amicus
  22. 🔍 28% Quomodo fiet istudQuomodo fiet istud
  23. 🔍 28% O spem miramO spem miram
  24. 🔍 28% O spem miramO spem miram
  25. 🔍 27% Te saeculorum PrincipemTe saeculorum Principem
  26. 🔍 27% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  27. 🔍 27% Felix spinaFelix spina
  28. 🔍 27% Felix namqueFelix namque
  29. 🔍 27% Summi Parentis FilioSummi Parentis Filio
  30. 🔍 27% Jesu nostra redemptioJesu nostra redemptio
  31. 🔍 27% Pie PaterPie Pater
  32. 🔍 26% Lux perpetuaLux perpetua
  33. 🔍 26% Magne PaterMagne Pater
  34. 🔍 26% Gloria IIGloria II
  35. 🔍 26% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  36. 🔍 26% Hodiernae lux dieiHodiernae lux diei
  37. 🔍 26% O spem miramO spem miram
  38. 🔍 26% O MartineO Martine
  39. 🔍 25% Beata nobis gaudiaBeata nobis gaudia
  40. 🔍 25% Beata nobis gaudiaBeata nobis gaudia
  41. 🔍 25% Beata nobisBeata nobis
  42. 🔍 25% Beata AgathaBeata Agatha
  43. 🔍 25% Pie pastorPie pastor
  44. 🔍 25% Hymnum novaeHymnum novae
  45. 🔍 25% Stetit PontifexStetit Pontifex
  46. 🔍 25% Te saeculorum PrincipemTe saeculorum Principem
  47. 🔍 25% Iesu Salvator saeculiIesu Salvator saeculi
  48. 🔍 25% In medio EcclesiaeIn medio Ecclesiae
  49. 🔍 25% Adest... diademaAdest... diadema
  50. 🔍 25% Aeterna imago AltissimiAeterna imago Altissimi
  51. 🔍 25% Adest dies laetitiaeAdest dies laetitiae
  52. 🔍 25% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  53. 🔍 25% Adest... beatusAdest... beatus
  54. 🔍 25% Felix namque esFelix namque es
  55. 🔍 24% Diadema spineumDiadema spineum
  56. 🔍 24% Novus athleta DominiNovus athleta Domini
  57. 🔍 24% Jesu dulcisJesu dulcis
  58. 🔍 24% Justorum animae (Off.)Justorum animae (Off.)
  59. 🔍 24% Felix per omnesFelix per omnes
  60. 🔍 24% O Roma felixO Roma felix
  61. 🔍 24% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  62. 🔍 24% Haec hora (Pentecostes)Haec hora (Pentecostes)
  63. 🔍 24% Beata es Maria Mater DominiBeata es Maria Mater Domini
  64. 🔍 24% Deus tuorum militumDeus tuorum militum
  65. 🔍 24% Concede nobis DomineConcede nobis Domine