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% Pentecostes (Alia antiphona)Pentecostes (Alia antiphona)
  2. 🔍 58% Apparuerunt apostolisApparuerunt apostolis
  3. 🔍 43% Apparuerunt apostolisApparuerunt apostolis
  4. 🔍 41% Apparuerunt apostolis (Mode 7a-gg)Apparuerunt apostolis (Mode 7a-gg)
  5. 🔍 40% PentecostesPentecostes
  6. 🔍 38% Apparuerunt apostolis (Mode 7a-gb)Apparuerunt apostolis (Mode 7a-gb)
  7. 🔍 36% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  8. 🔍 35% Apparuerunt apostolisApparuerunt apostolis
  9. 🔍 30% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  10. 🔍 28% Crucifixio (Alia antiphona)Crucifixio (Alia antiphona)
  11. 🔍 27% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  12. 🔍 26% Rex SanctorumRex Sanctorum
  13. 🔍 26% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  14. 🔍 25% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  15. 🔍 24% Bajulatio Crucis (Alia antiphona)Bajulatio Crucis (Alia antiphona)
  16. 🔍 23% Assumptio B. M. V.Assumptio B. M. V.
  17. 🔍 23% Aeterne rerum conditorAeterne rerum conditor
  18. 🔍 23% Spiritus Sanctus replevit totam domumSpiritus Sanctus replevit totam domum
  19. 🔍 22% Rex SanctorumRex Sanctorum
  20. 🔍 22% O lux et decusO lux et decus
  21. 🔍 21% Bajulatio CrucisBajulatio Crucis
  22. 🔍 21% Cum sanctificatusCum sanctificatus
  23. 🔍 20% Aeterne rerum... qui mareAeterne rerum... qui mare
  24. 🔍 20% FlagellatioFlagellatio
  25. 🔍 20% Justi decantaveruntJusti decantaverunt
  26. 🔍 20% Crudelis HerodesCrudelis Herodes
  27. 🔍 20% Nativitas DominiNativitas Domini
  28. 🔍 20% O sola magnarumO sola magnarum
  29. 🔍 19% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  30. 🔍 19% A solis ortus cardineA solis ortus cardine
  31. 🔍 19% In nomine Jesu (ps. Laudate)In nomine Jesu (ps. Laudate)
  32. 🔍 19% LoqueturLoquetur
  33. 🔍 19% Agonia in hortoAgonia in horto
  34. 🔍 19% Crudelis HerodesCrudelis Herodes
  35. 🔍 19% Festiva vos archangeliFestiva vos archangeli
  36. 🔍 19% O sola magnarumO sola magnarum
  37. 🔍 19% Crudelis Herodes DeumCrudelis Herodes Deum
  38. 🔍 19% Virginis CatharinaeVirginis Catharinae
  39. 🔍 18% Aurora solis nuntiaAurora solis nuntia
  40. 🔍 18% Vidi aquamVidi aquam
  41. 🔍 18% Deus dum egredererisDeus dum egredereris
  42. 🔍 18% Inventio Jesu in temploInventio Jesu in templo
  43. 🔍 18% AnnuntiatioAnnuntiatio
  44. 🔍 18% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  45. 🔍 18% Martine par ApostolisMartine par Apostolis
  46. 🔍 18% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  47. 🔍 18% AscensioAscensio
  48. 🔍 18% ResurrectioResurrectio
  49. 🔍 18% Jam morte victorJam morte victor
  50. 🔍 18% Beati martyresBeati martyres
  51. 🔍 18% A solis ortus cardineA solis ortus cardine
  52. 🔍 18% Joseph autemJoseph autem
  53. 🔍 18% Et ecce voxEt ecce vox
  54. 🔍 18% O solaO sola
  55. 🔍 18% Quicumque Christum quaeritisQuicumque Christum quaeritis
  56. 🔍 18% Tu gloria... o RosaTu gloria... o Rosa
  57. 🔍 18% Victricem manumVictricem manum
  58. 🔍 18% AstiteruntAstiterunt
  59. 🔍 18% Hostis HerodesHostis Herodes
  60. 🔍 18% A solis ortusA solis ortus
  61. 🔍 18% A solis ortusA solis ortus
  62. 🔍 17% Christo datus estChristo datus est
  63. 🔍 17% Absterget DeusAbsterget Deus
  64. 🔍 17% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  65. 🔍 17% Hostis HerodesHostis Herodes