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% RequiescantRequiescant
  2. 🔍 48% RequiescantRequiescant
  3. 🔍 30% RequiescantRequiescant
  4. 🔍 27% RequiescantRequiescant
  5. 🔍 22% Benedicamus VIIIBenedicamus VIII
  6. 🔍 22% Ad Orationes IIAd Orationes II
  7. 🔍 22% Ad Orationes IAd Orationes I
  8. 🔍 21% Lux aeternaLux aeterna
  9. 🔍 21% Ad Pater nosterAd Pater noster
  10. 🔍 20% Ite IIte I
  11. 🔍 20% Ad Praefationem in tono solemniAd Praefationem in tono solemni
  12. 🔍 20% Ad Praefationem in tono ferialiAd Praefationem in tono feriali
  13. 🔍 20% Ad EvangeliumAd Evangelium
  14. 🔍 20% Ad Pax DominiAd Pax Domini
  15. 🔍 18% Lumen ad revelationemLumen ad revelationem
  16. 🔍 17% Gloria Patri - IGloria Patri - I
  17. 🔍 17% Ite VIte V
  18. 🔍 16% Benedico teBenedico te
  19. 🔍 16% Gloria Patri - VGloria Patri - V
  20. 🔍 16% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  21. 🔍 16% Ite VIIte VI
  22. 🔍 15% Prex Eucharistica IVPrex Eucharistica IV
  23. 🔍 15% Benedicamus Domino (Sunday at terce)Benedicamus Domino (Sunday at terce)
  24. 🔍 15% Salus et gloriaSalus et gloria
  25. 🔍 15% Requiem... RequiescantRequiem... Requiescant
  26. 🔍 15% Salus et gloriaSalus et gloria
  27. 🔍 15% Salus et gloriaSalus et gloria
  28. 🔍 15% In pace in idipsumIn pace in idipsum
  29. 🔍 15% Agnus VIIIAgnus VIII
  30. 🔍 15% Praefatio solemnis de QuadragesimaPraefatio solemnis de Quadragesima
  31. 🔍 14% Ite IVIte IV
  32. 🔍 14% Salus et gloriaSalus et gloria
  33. 🔍 14% Benedicamus IIIBenedicamus III
  34. 🔍 14% Per omnia saecula saeculorum (2. Tonus ferialis)Per omnia saecula saeculorum (2. Tonus ferialis)
  35. 🔍 14% Praefatio Paschalis IIPraefatio Paschalis II
  36. 🔍 14% In pace in idipsumIn pace in idipsum
  37. 🔍 14% Praefatio ferialis de sacratissimo Corde IesuPraefatio ferialis de sacratissimo Corde Iesu
  38. 🔍 14% Per omnia saecula saeculorum (3. Tonus solemnior)Per omnia saecula saeculorum (3. Tonus solemnior)
  39. 🔍 14% Gloria Patri - VIGloria Patri - VI
  40. 🔍 14% Gloria Patri - IVGloria Patri - IV
  41. 🔍 14% Domine refugiumDomine refugium
  42. 🔍 14% Toni Praefationum (3. Tonus solemnior)Toni Praefationum (3. Tonus solemnior)
  43. 🔍 14% Ite IIIIte III
  44. 🔍 14% Dominus regnavitDominus regnavit
  45. 🔍 14% Gustate (Ad Communionem - Tonus 1)Gustate (Ad Communionem - Tonus 1)
  46. 🔍 14% Spiritus ParaclitusSpiritus Paraclitus
  47. 🔍 14% Dominus vobiscum ... Sit nomen (B)Dominus vobiscum ... Sit nomen (B)
  48. 🔍 14% Dominus vobiscum ... Sit nomen (A)Dominus vobiscum ... Sit nomen (A)
  49. 🔍 14% Per omnia saecula saeculorum (1. Tonus solemnis)Per omnia saecula saeculorum (1. Tonus solemnis)
  50. 🔍 14% Gloria Patri - VIIGloria Patri - VII
  51. 🔍 14% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  52. 🔍 14% Dominus vobiscumDominus vobiscum
  53. 🔍 14% Praefatio de Dominicis per annum IVPraefatio de Dominicis per annum IV
  54. 🔍 14% Clemens et benignaClemens et benigna
  55. 🔍 14% Toni Praefationum (1. Tonus solemnis)Toni Praefationum (1. Tonus solemnis)
  56. 🔍 14% In paradisumIn paradisum
  57. 🔍 13% Pontifical BlessingPontifical Blessing
  58. 🔍 13% Praefatio ferialis de ApostolisPraefatio ferialis de Apostolis
  59. 🔍 13% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  60. 🔍 13% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  61. 🔍 13% Attende DomineAttende Domine
  62. 🔍 13% Paradisi portaeParadisi portae
  63. 🔍 13% Caro mea requiescetCaro mea requiescet
  64. 🔍 13% Exsultet iam angelicaExsultet iam angelica
  65. 🔍 13% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini