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% QuotiescumqueQuotiescumque
  2. 🔍 45% Hoc corpusHoc corpus
  3. 🔍 36% Sacerdotes DominiSacerdotes Domini
  4. 🔍 36% Terribilis estTerribilis est
  5. 🔍 35% Hoc CorpusHoc Corpus
  6. 🔍 35% Ab ortu solisAb ortu solis
  7. 🔍 33% HosannaHosanna
  8. 🔍 33% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  9. 🔍 33% Domine Jesu ChristeDomine Jesu Christe
  10. 🔍 33% Calix benedictionisCalix benedictionis
  11. 🔍 32% Tollite hostiasTollite hostias
  12. 🔍 32% Dum venerit ParaclitusDum venerit Paraclitus
  13. 🔍 32% Adorate DeumAdorate Deum
  14. 🔍 31% Lauda Syon SalvatoremLauda Syon Salvatorem
  15. 🔍 31% Pueri Hebraeorum 2Pueri Hebraeorum 2
  16. 🔍 31% Postquam surrexitPostquam surrexit
  17. 🔍 31% HumiliavitHumiliavit
  18. 🔍 31% Adorna thalamumAdorna thalamum
  19. 🔍 31% ObtuleruntObtulerunt
  20. 🔍 31% Sacerdotes DeiSacerdotes Dei
  21. 🔍 30% Primum quaeritePrimum quaerite
  22. 🔍 30% SanctusSanctus
  23. 🔍 30% Vocem jucunditatisVocem jucunditatis
  24. 🔍 30% Sicut in holocaustoSicut in holocausto
  25. 🔍 30% Portas caeliPortas caeli
  26. 🔍 30% Ex ore infantiumEx ore infantium
  27. 🔍 29% Ave Rex nosterAve Rex noster
  28. 🔍 29% SanctusSanctus
  29. 🔍 29% In splendoribusIn splendoribus
  30. 🔍 29% Dextera DominiDextera Domini
  31. 🔍 29% Respice DomineRespice Domine
  32. 🔍 29% Nunc scioNunc scio
  33. 🔍 29% Dicit DominusDicit Dominus
  34. 🔍 29% EmendemusEmendemus
  35. 🔍 28% In medioIn medio
  36. 🔍 28% RevelabiturRevelabitur
  37. 🔍 28% SanctificavitSanctificavit
  38. 🔍 28% Felices sensusFelices sensus
  39. 🔍 28% Dextera DominiDextera Domini
  40. 🔍 28% Dicit DominusDicit Dominus
  41. 🔍 28% Gaudeamus ... AnnaGaudeamus ... Anna
  42. 🔍 28% VoveteVovete
  43. 🔍 28% Justorum animaeJustorum animae
  44. 🔍 28% Benedicite omnes AngeliBenedicite omnes Angeli
  45. 🔍 28% Factus estFactus est
  46. 🔍 27% Reges TharsisReges Tharsis
  47. 🔍 27% StatuitStatuit
  48. 🔍 27% ConcepcioConcepcio
  49. 🔍 27% Viri GalilaeiViri Galilaei
  50. 🔍 27% In medioIn medio
  51. 🔍 27% Juravit DominusJuravit Dominus
  52. 🔍 27% De fructu operumDe fructu operum
  53. 🔍 27% Populus SyonPopulus Syon
  54. 🔍 27% Os justiOs justi
  55. 🔍 27% Jerusalem quae aedificaturJerusalem quae aedificatur
  56. 🔍 27% Hodie scietisHodie scietis
  57. 🔍 27% Credo IIICredo III
  58. 🔍 27% Dominus illuminatio meaDominus illuminatio mea
  59. 🔍 27% Turba multaTurba multa
  60. 🔍 26% Justus ut palmaJustus ut palma
  61. 🔍 26% Circumdederunt meCircumdederunt me
  62. 🔍 26% Video caelosVideo caelos
  63. 🔍 26% Loquebar Ps. LaudateLoquebar Ps. Laudate
  64. 🔍 26% Domine Deus... qui repertusDomine Deus... qui repertus
  65. 🔍 26% IntroiboIntroibo