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% Virgo MaterVirgo Mater
  2. 🔍 44% Sancta... dulcisSancta... dulcis
  3. 🔍 43% Virgo tuum FiliumVirgo tuum Filium
  4. 🔍 42% Stetit Angelus (Resp Br)Stetit Angelus (Resp Br)
  5. 🔍 41% Stabat juxtaStabat juxta
  6. 🔍 41% Sancta... semperSancta... semper
  7. 🔍 41% Gloria et honoreGloria et honore
  8. 🔍 37% Post partum VirgoPost partum Virgo
  9. 🔍 36% Justi autemJusti autem
  10. 🔍 36% Gloria et honoreGloria et honore
  11. 🔍 36% Stetit Angelus (Resp Br)Stetit Angelus (Resp Br)
  12. 🔍 34% Ego MaterEgo Mater
  13. 🔍 33% Exaltabo teExaltabo te
  14. 🔍 33% Posuisti Domine (Resp. Br.)Posuisti Domine (Resp. Br.)
  15. 🔍 33% Crastina... eritCrastina... erit
  16. 🔍 33% Magna est gloriaMagna est gloria
  17. 🔍 32% Sancta MariaSancta Maria
  18. 🔍 32% Crastina... delebiturCrastina... delebitur
  19. 🔍 32% Maria Virgo assumpta estMaria Virgo assumpta est
  20. 🔍 32% Sancta Dei GenitrixSancta Dei Genitrix
  21. 🔍 32% Stetit Angelus juxtaStetit Angelus juxta
  22. 🔍 32% Post partumPost partum
  23. 🔍 31% Adoramus te Christe (Resp Br)Adoramus te Christe (Resp Br)
  24. 🔍 31% Stetit AngelusStetit Angelus
  25. 🔍 31% Gloria et honoreGloria et honore
  26. 🔍 31% Haec est domus DominiHaec est domus Domini
  27. 🔍 31% In manus tuasIn manus tuas
  28. 🔍 31% Beati qui habitantBeati qui habitant
  29. 🔍 31% Constitues eos principesConstitues eos principes
  30. 🔍 31% Laetamini in DominoLaetamini in Domino
  31. 🔍 31% Gloria et honoreGloria et honore
  32. 🔍 30% Sana animamSana animam
  33. 🔍 30% Per te salutem hauriamusPer te salutem hauriamus
  34. 🔍 30% Posuisti DominePosuisti Domine
  35. 🔍 30% Adoramus te ChristeAdoramus te Christe
  36. 🔍 30% Laetamini in DominoLaetamini in Domino
  37. 🔍 30% Ego dixi, Domine (Tonus simplex)Ego dixi, Domine (Tonus simplex)
  38. 🔍 30% Post partum (Resp Br)Post partum (Resp Br)
  39. 🔍 30% Ego Mater PulchraeEgo Mater Pulchrae
  40. 🔍 30% Maria Virgo assumpta estMaria Virgo assumpta est
  41. 🔍 30% Beata AgathaBeata Agatha
  42. 🔍 29% In aeternum DomineIn aeternum Domine
  43. 🔍 29% Ipse liberavit meIpse liberavit me
  44. 🔍 29% Exaltabo teExaltabo te
  45. 🔍 29% Iusti autemIusti autem
  46. 🔍 29% Ave Virgo optimaAve Virgo optima
  47. 🔍 29% Exaltata est sanctaExaltata est sancta
  48. 🔍 29% Per te salutem hauriamusPer te salutem hauriamus
  49. 🔍 29% In natali DominiIn natali Domini
  50. 🔍 29% ExistimoExistimo
  51. 🔍 29% Exaltabo teExaltabo te
  52. 🔍 29% Elegit eamElegit eam
  53. 🔍 29% Qui me inveneritQui me invenerit
  54. 🔍 29% Ego MaterEgo Mater
  55. 🔍 29% In omnem terramIn omnem terram
  56. 🔍 28% Constitues eosConstitues eos
  57. 🔍 28% Amavit eumAmavit eum
  58. 🔍 28% In omnem terramIn omnem terram
  59. 🔍 28% Crastina erit vobisCrastina erit vobis
  60. 🔍 28% Sana animam meamSana animam meam
  61. 🔍 28% Exsultent justiExsultent justi
  62. 🔍 28% Ego dixi DomineEgo dixi Domine
  63. 🔍 28% Hodie scietisHodie scietis
  64. 🔍 28% Ego dixi Domine IIEgo dixi Domine II
  65. 🔍 28% Crastina EritCrastina Erit