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% O rex optimeO rex optime
  2. 🔍 27% Caelitum JosephCaelitum Joseph
  3. 🔍 27% Memento meiMemento mei
  4. 🔍 26% Caelitum Joseph decusCaelitum Joseph decus
  5. 🔍 26% Caelitum Joseph decusCaelitum Joseph decus
  6. 🔍 25% Iste Confessor (Conf. Bishop) 4Iste Confessor (Conf. Bishop) 4
  7. 🔍 25% Iste Confessor (Conf. Bishop) (another chant) (2)Iste Confessor (Conf. Bishop) (another chant) (2)
  8. 🔍 22% Virgo prudentissimaVirgo prudentissima
  9. 🔍 22% Ecce quod concupiviEcce quod concupivi
  10. 🔍 21% Tua est PotentiaTua est Potentia
  11. 🔍 21% O Crux benedicta quae solaO Crux benedicta quae sola
  12. 🔍 20% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  13. 🔍 20% Ludovicus servus ChristiLudovicus servus Christi
  14. 🔍 20% Lucis Creator optimeLucis Creator optime
  15. 🔍 20% Virgo prudentissimaVirgo prudentissima
  16. 🔍 20% In martyris LaurentiiIn martyris Laurentii
  17. 🔍 19% Rex magneRex magne
  18. 🔍 19% Lucis creatorLucis creator
  19. 🔍 19% Domine Rex omnipotensDomine Rex omnipotens
  20. 🔍 19% O doctor optimeO doctor optime
  21. 🔍 19% Venite exsultemus IVVenite exsultemus IV
  22. 🔍 19% Urbs Jerusalem beataUrbs Jerusalem beata
  23. 🔍 19% Annulis septem subarrhavit meAnnulis septem subarrhavit me
  24. 🔍 19% Lucis creatorLucis creator
  25. 🔍 19% Praesulis exsultansPraesulis exsultans
  26. 🔍 19% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus
  27. 🔍 18% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  28. 🔍 18% Dei fideDei fide
  29. 🔍 18% Rex gloriose MartyrumRex gloriose Martyrum
  30. 🔍 18% Puer Nobis NasciturPuer Nobis Nascitur
  31. 🔍 18% Ex more docti mysticoEx more docti mystico
  32. 🔍 18% Ave Regis AngelorumAve Regis Angelorum
  33. 🔍 18% Summa pollensSumma pollens
  34. 🔍 18% Legis sacrataeLegis sacratae
  35. 🔍 18% Ex more docti MysticoEx more docti Mystico
  36. 🔍 18% En martyris LaurentiiEn martyris Laurentii
  37. 🔍 18% Vir Domini Benedictus (tonus 1f)Vir Domini Benedictus (tonus 1f)
  38. 🔍 17% Erat vir Domini Benedictus (tonus 4e*)Erat vir Domini Benedictus (tonus 4e*)
  39. 🔍 17% O crux benedicta quaeO crux benedicta quae
  40. 🔍 17% Jam Christus astra ascenderatJam Christus astra ascenderat
  41. 🔍 17% Rex glorioseRex gloriose
  42. 🔍 17% Si cognovissetis meSi cognovissetis me
  43. 🔍 17% Hei mihi DomineHei mihi Domine
  44. 🔍 17% Praesul invictissimusPraesul invictissimus
  45. 🔍 17% Signum crucisSignum crucis
  46. 🔍 17% Beata RadegundisBeata Radegundis
  47. 🔍 17% Caeli Deus (Summer Tone)Caeli Deus (Summer Tone)
  48. 🔍 17% Ex omni florum genereEx omni florum genere
  49. 🔍 17% Meritis et precibus (T.P.)Meritis et precibus (T.P.)
  50. 🔍 17% Te lucis ante terminum (In Festo S. Cordis Jesu))Te lucis ante terminum (In Festo S. Cordis Jesu))
  51. 🔍 17% Rex gloriose martyrumRex gloriose martyrum
  52. 🔍 17% Hymnum novaeHymnum novae
  53. 🔍 17% Interrogatus a praesideInterrogatus a praeside
  54. 🔍 17% Spiritus et animae justorumSpiritus et animae justorum
  55. 🔍 17% Aspice in meAspice in me
  56. 🔍 17% Benedictus es... et non tradasBenedictus es... et non tradas
  57. 🔍 17% Candor aeternaeCandor aeternae
  58. 🔍 17% Fortis en praesulFortis en praesul
  59. 🔍 17% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  60. 🔍 17% O Doctor optimeO Doctor optime
  61. 🔍 17% Habuit Gertrudis potestatemHabuit Gertrudis potestatem
  62. 🔍 17% Dum auroraDum aurora
  63. 🔍 17% Bernardus Doctor mellifluusBernardus Doctor mellifluus
  64. 🔍 17% Cornelius centurioCornelius centurio
  65. 🔍 17% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce