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% Martine par ApostolisMartine par Apostolis
  2. 🔍 71% Martine par ApostolisMartine par Apostolis
  3. 🔍 35% Salve magniSalve magni
  4. 🔍 26% Regem venturum DominumRegem venturum Dominum
  5. 🔍 26% Martine par ApostolisMartine par Apostolis
  6. 🔍 24% O MartineO Martine
  7. 🔍 22% Ecce veniet RexEcce veniet Rex
  8. 🔍 21% Gaude SionGaude Sion
  9. 🔍 21% O OriensO Oriens
  10. 🔍 21% O clavis DavidO clavis David
  11. 🔍 21% Tantum ergoTantum ergo
  12. 🔍 21% Tantum ergo.Tantum ergo.
  13. 🔍 21% O MartineO Martine
  14. 🔍 21% O radix JesseO radix Jesse
  15. 🔍 20% O Sidus HispaniaeO Sidus Hispaniae
  16. 🔍 20% O Rex gentiumO Rex gentium
  17. 🔍 20% Cum ortus fueritCum ortus fuerit
  18. 🔍 20% Tota pulchra es Maria!Tota pulchra es Maria!
  19. 🔍 20% Ave decus virgineumAve decus virgineum
  20. 🔍 20% Tantum ergo.Tantum ergo.
  21. 🔍 20% O EmmanuelO Emmanuel
  22. 🔍 19% O lingua benedictaO lingua benedicta
  23. 🔍 19% Parce DomineParce Domine
  24. 🔍 19% Insigne Francorum jubarInsigne Francorum jubar
  25. 🔍 19% Tantum ergoTantum ergo
  26. 🔍 19% Tantum ergoTantum ergo
  27. 🔍 19% O AdonaiO Adonai
  28. 🔍 18% Domine Jesu ChristeDomine Jesu Christe
  29. 🔍 18% Aeterne sol qui lumineAeterne sol qui lumine
  30. 🔍 18% Salve Crux sancta!Salve Crux sancta!
  31. 🔍 18% O SapientiaO Sapientia
  32. 🔍 18% O Margarita poenitensO Margarita poenitens
  33. 🔍 18% Tota pulchra es Maria!Tota pulchra es Maria!
  34. 🔍 18% Ave maris stella (another chant)Ave maris stella (another chant)
  35. 🔍 17% O Crux fructex salvificus!O Crux fructex salvificus!
  36. 🔍 17% Profitentes TrinitatemProfitentes Trinitatem
  37. 🔍 17% Audi Virgo manificaAudi Virgo manifica
  38. 🔍 17% Jesu Redemptor omniumJesu Redemptor omnium
  39. 🔍 17% Dicit DominusDicit Dominus
  40. 🔍 17% Tantum ergo.Tantum ergo.
  41. 🔍 17% Rex Christe Martini decusRex Christe Martini decus
  42. 🔍 17% O praeclarum mundi jubarO praeclarum mundi jubar
  43. 🔍 17% Sancte Michael archangeleSancte Michael archangele
  44. 🔍 16% Paschalis admirabilisPaschalis admirabilis
  45. 🔍 16% Terrena cessentTerrena cessent
  46. 🔍 16% O panis dulcissimeO panis dulcissime
  47. 🔍 16% In Francisci filioIn Francisci filio
  48. 🔍 16% Ave Regis AngelorumAve Regis Angelorum
  49. 🔍 16% Bernardinum qui divinum.Bernardinum qui divinum.
  50. 🔍 16% Salve Coleta potens!Salve Coleta potens!
  51. 🔍 16% O praedicator gratiae!O praedicator gratiae!
  52. 🔍 16% Dixerunt discipuliDixerunt discipuli
  53. 🔍 16% Fortem fidelemFortem fidelem
  54. 🔍 16% O nata lux de lumineO nata lux de lumine
  55. 🔍 15% Apparuerunt apostolis (Mode 7a-gg)Apparuerunt apostolis (Mode 7a-gg)
  56. 🔍 15% Salve lux mundi!Salve lux mundi!
  57. 🔍 15% Apparuerunt apostolisApparuerunt apostolis
  58. 🔍 15% Si quaerisSi quaeris
  59. 🔍 15% Mella cor obdulcantiaMella cor obdulcantia
  60. 🔍 15% Sacerdos Dei Martine pastorSacerdos Dei Martine pastor
  61. 🔍 15% Ad coenamAd coenam
  62. 🔍 15% Missus Gabriel de coelisMissus Gabriel de coelis
  63. 🔍 15% O splendor pudicitiaeO splendor pudicitiae
  64. 🔍 15% Mundi renovatioMundi renovatio
  65. 🔍 15% Dum tuos omnes!Dum tuos omnes!