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 salutaris Hostia IIIO salutaris Hostia III
  2. 🔍 74% O salutaris Hostia VO salutaris Hostia V
  3. 🔍 72% O salutaris Hostia IIO salutaris Hostia II
  4. 🔍 68% O salutaris Hostia IVO salutaris Hostia IV
  5. 🔍 66% O salutaris Hostia IO salutaris Hostia I
  6. 🔍 64% O Salutaris Hostia III (cantus ad processiones)O Salutaris Hostia III (cantus ad processiones)
  7. 🔍 62% O salutaris Hostia IIO salutaris Hostia II
  8. 🔍 61% O salutaris Hostia VIO salutaris Hostia VI
  9. 🔍 61% O Salutaris Hostia (Creator Alme)O Salutaris Hostia (Creator Alme)
  10. 🔍 60% O salutaris Hostia VIIO salutaris Hostia VII
  11. 🔍 59% O salutaris Hostia IO salutaris Hostia I
  12. 🔍 58% O Salutaris Hostia IV (cantus ad processiones)O Salutaris Hostia IV (cantus ad processiones)
  13. 🔍 57% O Salutaris Hostia VII (cantus ad processiones)O Salutaris Hostia VII (cantus ad processiones)
  14. 🔍 50% O salutaris HostiaO salutaris Hostia
  15. 🔍 50% O Salutaris Hostia II (cantus ad processiones)O Salutaris Hostia II (cantus ad processiones)
  16. 🔍 49% O salutaris Hostia IIIO salutaris Hostia III
  17. 🔍 49% O Salutaris Hostia VI (cantus ad processiones)O Salutaris Hostia VI (cantus ad processiones)
  18. 🔍 48% O Salutaris Hostia (Vexilla Regis)O Salutaris Hostia (Vexilla Regis)
  19. 🔍 38% O Salutaris HostiaO Salutaris Hostia
  20. 🔍 37% O salutaris HostiaO salutaris Hostia
  21. 🔍 34% Jesu nostra redemptioJesu nostra redemptio
  22. 🔍 32% Summi Parentis FilioSummi Parentis Filio
  23. 🔍 31% Amor Jesu dulcissimeAmor Jesu dulcissime
  24. 🔍 31% Martyr Dei (I)Martyr Dei (I)
  25. 🔍 30% Verbum supernumVerbum supernum
  26. 🔍 29% Deus tuorum militumDeus tuorum militum
  27. 🔍 29% Te lucis ante terminumTe lucis ante terminum
  28. 🔍 28% Quicumque certumQuicumque certum
  29. 🔍 28% Novus athleta DominiNovus athleta Domini
  30. 🔍 28% Quicumque ChristumQuicumque Christum
  31. 🔍 28% O rex aeterne DomineO rex aeterne Domine
  32. 🔍 28% Hodiernae lux dieiHodiernae lux diei
  33. 🔍 27% Gaude Mater EcclesiaGaude Mater Ecclesia
  34. 🔍 27% Aeterno RegiAeterno Regi
  35. 🔍 27% O Catharina nobilis!O Catharina nobilis!
  36. 🔍 27% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  37. 🔍 26% Vox puraVox pura
  38. 🔍 26% In hoc HyacinthiIn hoc Hyacinthi
  39. 🔍 26% Christe flos convalliumChriste flos convallium
  40. 🔍 26% Noe vero cumNoe vero cum
  41. 🔍 26% Jesu dulcisJesu dulcis
  42. 🔍 26% Vexilla Regis prodeuntVexilla Regis prodeunt
  43. 🔍 25% Hymnum novaeHymnum novae
  44. 🔍 25% Optatus votis omniumOptatus votis omnium
  45. 🔍 25% Adesto sancta TrinitasAdesto sancta Trinitas
  46. 🔍 25% Verbum supernum prodiens necVerbum supernum prodiens nec
  47. 🔍 25% Eva virumEva virum
  48. 🔍 24% Beate martyr, prosperaBeate martyr, prospera
  49. 🔍 24% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  50. 🔍 24% Cor amandum SalvatorisCor amandum Salvatoris
  51. 🔍 24% Christi milesChristi miles
  52. 🔍 24% Christe Sanctorum (S. Mich.)Christe Sanctorum (S. Mich.)
  53. 🔍 24% Exsultet orbis gaudiis (Alter tonus)Exsultet orbis gaudiis (Alter tonus)
  54. 🔍 24% Dies iraeDies irae
  55. 🔍 24% Candida VirginitasCandida Virginitas
  56. 🔍 24% Custodes hominumCustodes hominum
  57. 🔍 23% Tantum ergo XIITantum ergo XII
  58. 🔍 23% Sanctorum meritis inclyta (Alter tonus)Sanctorum meritis inclyta (Alter tonus)
  59. 🔍 23% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  60. 🔍 23% Luce divinaLuce divina
  61. 🔍 23% Venite exsultemus IVVenite exsultemus IV
  62. 🔍 23% Qui manducatQui manducat
  63. 🔍 23% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte
  64. 🔍 23% Sertum gestansSertum gestans
  65. 🔍 23% Veni Sancte Spiritus et emitteVeni Sancte Spiritus et emitte