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% Aurora caelum (Alter Tonus)Aurora caelum (Alter Tonus)
  2. 🔍 63% Hic est diesHic est dies
  3. 🔍 46% Jesu Redemptor omnium (In tempore Paschali)Jesu Redemptor omnium (In tempore Paschali)
  4. 🔍 45% Hymnus ad Christum RegemHymnus ad Christum Regem
  5. 🔍 45% Jesu Redemptor omnium (Com. Con. Pont.)Jesu Redemptor omnium (Com. Con. Pont.)
  6. 🔍 45% Jesu Redemptor omnium (In Ascensione)Jesu Redemptor omnium (In Ascensione)
  7. 🔍 41% Aurora caelum (Alter tonus)Aurora caelum (Alter tonus)
  8. 🔍 37% In diebus illis: Nabuchodonosor rexIn diebus illis: Nabuchodonosor rex
  9. 🔍 36% Aurora caelumAurora caelum
  10. 🔍 34% Nocti succedit luciferNocti succedit lucifer
  11. 🔍 33% Ecce veri luminisEcce veri luminis
  12. 🔍 32% Pater peccaviPater peccavi
  13. 🔍 32% Tu gloria JerusalemTu gloria Jerusalem
  14. 🔍 32% Nocti succedit luciferNocti succedit lucifer
  15. 🔍 30% Gloria tibiGloria tibi
  16. 🔍 29% Sacris solemniisSacris solemniis
  17. 🔍 29% Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)
  18. 🔍 28% Qui habitat inQui habitat in
  19. 🔍 28% Tu puerTu puer
  20. 🔍 27% Qui habitasQui habitas
  21. 🔍 27% Tantum ergo SacramentumTantum ergo Sacramentum
  22. 🔍 27% Hodie caelesti sponsoHodie caelesti sponso
  23. 🔍 26% Hymnum dicamusHymnum dicamus
  24. 🔍 25% Hymnum cantate nobisHymnum cantate nobis
  25. 🔍 24% Gloriosa praedicenturGloriosa praedicentur
  26. 🔍 23% Dilexit iustitiamDilexit iustitiam
  27. 🔍 22% Parvulus filiusParvulus filius
  28. 🔍 22% Beatus venterBeatus venter
  29. 🔍 21% Puer Iesus crescebatPuer Iesus crescebat
  30. 🔍 20% Aurora lucisAurora lucis
  31. 🔍 20% Ad CoenamAd Coenam
  32. 🔍 20% Ad coenamAd coenam
  33. 🔍 20% O sol salutis intimisO sol salutis intimis
  34. 🔍 20% Crucem tuamCrucem tuam
  35. 🔍 20% Ecce veniet DeusEcce veniet Deus
  36. 🔍 20% Ecce veniet DeusEcce veniet Deus
  37. 🔍 19% Hymnum dicamusHymnum dicamus
  38. 🔍 19% Iustus ut palmaIustus ut palma
  39. 🔍 19% Mysterium fidei Salvator mundiMysterium fidei Salvator mundi
  40. 🔍 18% IucundareIucundare
  41. 🔍 18% Regnavit Dominus praecinctusRegnavit Dominus praecinctus
  42. 🔍 18% Aurora lucis rutilatAurora lucis rutilat
  43. 🔍 18% Gloriosa dicta... civitasGloriosa dicta... civitas
  44. 🔍 18% Tu BethlehemTu Bethlehem
  45. 🔍 18% Tu BethlehemTu Bethlehem
  46. 🔍 18% Tu BethlehemTu Bethlehem
  47. 🔍 18% Tu BethlehemTu Bethlehem
  48. 🔍 18% Vidi DominumVidi Dominum
  49. 🔍 18% Rabbi quid peccavitRabbi quid peccavit
  50. 🔍 18% Hymnus Te DeumHymnus Te Deum
  51. 🔍 18% Te DeumTe Deum
  52. 🔍 18% Te DeumTe Deum
  53. 🔍 17% Hymnus Te DeumHymnus Te Deum
  54. 🔍 17% Loquente IesuLoquente Iesu
  55. 🔍 17% Verax est PaterVerax est Pater
  56. 🔍 17% Parvulus filiusParvulus filius
  57. 🔍 17% Post triduumPost triduum
  58. 🔍 17% Jam Christus astra ascenderatJam Christus astra ascenderat
  59. 🔍 17% Exsulta filia SionExsulta filia Sion
  60. 🔍 17% Hymnum dicamusHymnum dicamus
  61. 🔍 17% Domine Deus salutis (Mode 3b)Domine Deus salutis (Mode 3b)
  62. 🔍 17% Quo perduxeruntQuo perduxerunt
  63. 🔍 17% Completi sunt diesCompleti sunt dies
  64. 🔍 16% Exsultet caelum (III)Exsultet caelum (III)
  65. 🔍 16% Beatus venterBeatus venter