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% Levita LaurentiusLevita Laurentius
  2. 🔍 95% Levita LaurentiusLevita Laurentius
  3. 🔍 73% Levita LaurentiusLevita Laurentius
  4. 🔍 72% Levita Laurentius bonum opusLevita Laurentius bonum opus
  5. 🔍 70% Levita LaurentiusLevita Laurentius
  6. 🔍 49% Laurentius bonumLaurentius bonum
  7. 🔍 48% Laurentius bonum opusLaurentius bonum opus
  8. 🔍 47% Laurentius bonum opusLaurentius bonum opus
  9. 🔍 43% Laurentius bonum opusLaurentius bonum opus
  10. 🔍 40% Levita LaurentiusLevita Laurentius
  11. 🔍 33% Levita LaurentiusLevita Laurentius
  12. 🔍 31% Laurentius ingressus estLaurentius ingressus est
  13. 🔍 31% Levita sanctissimusLevita sanctissimus
  14. 🔍 28% Levita LaurentiusLevita Laurentius
  15. 🔍 27% Beatus LaurentiusBeatus Laurentius
  16. 🔍 26% Laurentius ingressus estLaurentius ingressus est
  17. 🔍 25% Beatus Laurentius dumBeatus Laurentius dum
  18. 🔍 24% Beatus Laurentius clamavitBeatus Laurentius clamavit
  19. 🔍 24% Levita LaurentiusLevita Laurentius
  20. 🔍 23% Beatus Laurentius dum inBeatus Laurentius dum in
  21. 🔍 23% Beatus Laurentius dumBeatus Laurentius dum
  22. 🔍 23% Exi cito in plateasExi cito in plateas
  23. 🔍 23% Illuminare DomineIlluminare Domine
  24. 🔍 22% Illuminare Domine his quiIlluminare Domine his qui
  25. 🔍 21% Laudate Dominum de caelisLaudate Dominum de caelis
  26. 🔍 21% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  27. 🔍 21% Bonum est confiteriBonum est confiteri
  28. 🔍 21% Per signum CrucisPer signum Crucis
  29. 🔍 21% Levita LaurentiusLevita Laurentius
  30. 🔍 21% Ego sum pauperEgo sum pauper
  31. 🔍 20% Martyr et Pontifex BonifatiusMartyr et Pontifex Bonifatius
  32. 🔍 20% Domine bonum estDomine bonum est
  33. 🔍 20% DilexistiDilexisti
  34. 🔍 20% Cognovit autem paterCognovit autem pater
  35. 🔍 20% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  36. 🔍 20% Exaltata est Virgo MariaExaltata est Virgo Maria
  37. 🔍 20% Domine in caeloDomine in caelo
  38. 🔍 20% In omnibus hisIn omnibus his
  39. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  40. 🔍 20% Per viscera misericordiaePer viscera misericordiae
  41. 🔍 20% Bonum estBonum est
  42. 🔍 20% Sancte Paule ApostoleSancte Paule Apostole
  43. 🔍 20% Beata Dei Genitrix (O.B.V.M. in Sabb.)Beata Dei Genitrix (O.B.V.M. in Sabb.)
  44. 🔍 19% Conversus estConversus est
  45. 🔍 19% Videntibus illisVidentibus illis
  46. 🔍 19% Non omnis qui dicitNon omnis qui dicit
  47. 🔍 19% Credo VIICredo VII
  48. 🔍 19% Miserere mei DeusMiserere mei Deus
  49. 🔍 19% Ego veritatem dico vobisEgo veritatem dico vobis
  50. 🔍 19% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  51. 🔍 19% Hodie Simon PetrusHodie Simon Petrus
  52. 🔍 19% Omnes Angeli ejusOmnes Angeli ejus
  53. 🔍 19% Pastor bonusPastor bonus
  54. 🔍 19% Cum venerit ParaclitusCum venerit Paraclitus
  55. 🔍 19% Auctor salutisAuctor salutis
  56. 🔍 19% In medio EcclesiaeIn medio Ecclesiae
  57. 🔍 19% Sol et lunaSol et luna
  58. 🔍 19% Cum venerit ParaclitusCum venerit Paraclitus
  59. 🔍 19% Propter lignumPropter lignum
  60. 🔍 19% Beata es MariaBeata es Maria
  61. 🔍 19% Nos qui vivimusNos qui vivimus
  62. 🔍 19% Ut testimonium haberetUt testimonium haberet
  63. 🔍 19% Per signum CrucisPer signum Crucis
  64. 🔍 19% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  65. 🔍 19% Lux fulgebitLux fulgebit