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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Quare ergo rubrumQuare ergo rubrum
  2. πŸ” 80% Quare ergo rubrumQuare ergo rubrum
  3. πŸ” 64% Quare ergo rubrum estQuare ergo rubrum est
  4. πŸ” 27% O Doctor optimeO Doctor optime
  5. πŸ” 26% Lectio Isaiae Prophetae... Haec dicit DominusLectio Isaiae Prophetae... Haec dicit Dominus
  6. πŸ” 25% Vestitus eratVestitus erat
  7. πŸ” 24% Tantum ergo VIIITantum ergo VIII
  8. πŸ” 24% Vestimentum tuumVestimentum tuum
  9. πŸ” 24% Tantum ergo VTantum ergo V
  10. πŸ” 24% Tantum ergo (cantus V)Tantum ergo (cantus V)
  11. πŸ” 24% Ne timeas Maria (in Annunciatio)Ne timeas Maria (in Annunciatio)
  12. πŸ” 24% Firmamentum est DominusFirmamentum est Dominus
  13. πŸ” 23% Estote ergo misericordesEstote ergo misericordes
  14. πŸ” 23% Post partum (Resp Br)Post partum (Resp Br)
  15. πŸ” 23% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  16. πŸ” 23% Tantum ergo VITantum ergo VI
  17. πŸ” 22% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  18. πŸ” 22% Tantum ergo. IITantum ergo. II
  19. πŸ” 22% O Rex gentiumO Rex gentium
  20. πŸ” 22% Vestimentum tuumVestimentum tuum
  21. πŸ” 22% Tantum ergo XIIITantum ergo XIII
  22. πŸ” 22% Ego plantaviEgo plantavi
  23. πŸ” 22% RedemΓ­sti nos DΓ³mineRedemΓ­sti nos DΓ³mine
  24. πŸ” 22% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  25. πŸ” 21% Obedientiae pennisObedientiae pennis
  26. πŸ” 21% Gloria et honoreGloria et honore
  27. πŸ” 21% Ego sum viaEgo sum via
  28. πŸ” 21% Dixit Angelus ad PetrumDixit Angelus ad Petrum
  29. πŸ” 21% Beatam me dicentBeatam me dicent
  30. πŸ” 21% Ales diei nuntiusAles diei nuntius
  31. πŸ” 21% Ego daemoniumEgo daemonium
  32. πŸ” 21% Habet in vestimentoHabet in vestimento
  33. πŸ” 21% O lux beata CaelitumO lux beata Caelitum
  34. πŸ” 20% Conversus estConversus est
  35. πŸ” 20% Ales diei nuntiusAles diei nuntius
  36. πŸ” 20% Deus Deus meus (62)Deus Deus meus (62)
  37. πŸ” 20% Hodie nomen tuumHodie nomen tuum
  38. πŸ” 20% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  39. πŸ” 20% Vestimentum tuumVestimentum tuum
  40. πŸ” 20% Ego plantavi Apollo rigavitEgo plantavi Apollo rigavit
  41. πŸ” 20% Tantum ergo SacramentumTantum ergo Sacramentum
  42. πŸ” 20% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  43. πŸ” 20% Tantum ergo.Tantum ergo.
  44. πŸ” 20% Tu gloria JerusalemTu gloria Jerusalem
  45. πŸ” 20% Miserator DominusMiserator Dominus
  46. πŸ” 20% Exsultent justi (R. br.)Exsultent justi (R. br.)
  47. πŸ” 20% Qui post me venitQui post me venit
  48. πŸ” 20% Tantum ergo XITantum ergo XI
  49. πŸ” 19% Quare jejunavimusQuare jejunavimus
  50. πŸ” 19% Resplenduit faciesResplenduit facies
  51. πŸ” 19% Tantum ergoTantum ergo
  52. πŸ” 19% Sana animam meamSana animam meam
  53. πŸ” 19% Exaltata est Virgo MariaExaltata est Virgo Maria
  54. πŸ” 19% Tantum ergoTantum ergo
  55. πŸ” 19% Et quiEt qui
  56. πŸ” 19% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  57. πŸ” 19% Sit nomen DominiSit nomen Domini
  58. πŸ” 19% Beata Dei Genitrix (Presentation)Beata Dei Genitrix (Presentation)
  59. πŸ” 19% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  60. πŸ” 19% Usque modoUsque modo
  61. πŸ” 19% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  62. πŸ” 19% Tantum ergo ITantum ergo I
  63. πŸ” 19% Venite exsultemus EVenite exsultemus E
  64. πŸ” 19% Ecce Dominus noster... ut illuminetEcce Dominus noster... ut illuminet
  65. πŸ” 19% Et ideo novi testamentiEt ideo novi testamenti