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% Hic est diesHic est dies
  2. 🔍 63% Aurora caelum (Alter Tonus)Aurora caelum (Alter Tonus)
  3. 🔍 43% Jesu Redemptor omnium (In tempore Paschali)Jesu Redemptor omnium (In tempore Paschali)
  4. 🔍 43% Jesu Redemptor omnium (In Ascensione)Jesu Redemptor omnium (In Ascensione)
  5. 🔍 42% Jesu Redemptor omnium (Com. Con. Pont.)Jesu Redemptor omnium (Com. Con. Pont.)
  6. 🔍 38% Hymnus ad Christum RegemHymnus ad Christum Regem
  7. 🔍 36% In diebus illis: Nabuchodonosor rexIn diebus illis: Nabuchodonosor rex
  8. 🔍 34% Ecce veri luminisEcce veri luminis
  9. 🔍 33% Laetare caelum desuperLaetare caelum desuper
  10. 🔍 32% Gloria tibiGloria tibi
  11. 🔍 32% Pater peccaviPater peccavi
  12. 🔍 32% Philippe summaePhilippe summae
  13. 🔍 32% Nocti succedit luciferNocti succedit lucifer
  14. 🔍 31% Pressi malorumPressi malorum
  15. 🔍 31% O sempiternae curiaeO sempiternae curiae
  16. 🔍 30% Aeterne rerum... qui mareAeterne rerum... qui mare
  17. 🔍 30% Tu gloria JerusalemTu gloria Jerusalem
  18. 🔍 29% Nocti succedit luciferNocti succedit lucifer
  19. 🔍 29% Matthia SacratissimoMatthia Sacratissimo
  20. 🔍 28% Matthia SacratissimoMatthia Sacratissimo
  21. 🔍 28% Hodie caelesti sponsoHodie caelesti sponso
  22. 🔍 27% Sacris solemniisSacris solemniis
  23. 🔍 27% Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)
  24. 🔍 27% Festiva vos archangeliFestiva vos archangeli
  25. 🔍 26% Qui habitat inQui habitat in
  26. 🔍 26% Tantum ergo SacramentumTantum ergo Sacramentum
  27. 🔍 24% Qui habitasQui habitas
  28. 🔍 24% Aurora caelum (Alter tonus)Aurora caelum (Alter tonus)
  29. 🔍 23% Completi sunt diesCompleti sunt dies
  30. 🔍 23% Rabbi quid peccavitRabbi quid peccavit
  31. 🔍 23% Crucem tuamCrucem tuam
  32. 🔍 23% Tu puerTu puer
  33. 🔍 23% Iesu redemptor saeculi TPIesu redemptor saeculi TP
  34. 🔍 23% Parvulus filiusParvulus filius
  35. 🔍 22% IucundareIucundare
  36. 🔍 22% Parvulus filiusParvulus filius
  37. 🔍 22% Ecce veniet DeusEcce veniet Deus
  38. 🔍 22% Ecce veniet DeusEcce veniet Deus
  39. 🔍 22% Verax est PaterVerax est Pater
  40. 🔍 22% Tu BethlehemTu Bethlehem
  41. 🔍 22% Tu BethlehemTu Bethlehem
  42. 🔍 22% Tu BethlehemTu Bethlehem
  43. 🔍 22% Hymnus Te DeumHymnus Te Deum
  44. 🔍 22% Exsultet jam AngelicaExsultet jam Angelica
  45. 🔍 22% Tu BethlehemTu Bethlehem
  46. 🔍 22% Gloriosa praedicenturGloriosa praedicentur
  47. 🔍 22% Hymnum dicamusHymnum dicamus
  48. 🔍 22% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  49. 🔍 22% Hymnum cantate nobisHymnum cantate nobis
  50. 🔍 21% Te DeumTe Deum
  51. 🔍 21% Completi sunt diesCompleti sunt dies
  52. 🔍 21% Christus Deus nosterChristus Deus noster
  53. 🔍 21% Erue a frameaErue a framea
  54. 🔍 21% Te Deum (Solemn tone)Te Deum (Solemn tone)
  55. 🔍 21% Te DeumTe Deum
  56. 🔍 21% Exsultet iam angelicaExsultet iam angelica
  57. 🔍 21% Mysterium fidei Salvator mundiMysterium fidei Salvator mundi
  58. 🔍 21% Hymnus Te DeumHymnus Te Deum
  59. 🔍 21% Ad regias Agni dapes (Alter tonus)Ad regias Agni dapes (Alter tonus)
  60. 🔍 21% Domine Deus salutis (Mode 3b)Domine Deus salutis (Mode 3b)
  61. 🔍 21% Rex sempiterne coelitumRex sempiterne coelitum
  62. 🔍 21% Auctor salutisAuctor salutis
  63. 🔍 21% Qui lacrimatusQui lacrimatus
  64. 🔍 21% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  65. 🔍 21% Exsulta filia SionExsulta filia Sion