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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Martyr et Pontifex BonifatiusMartyr et Pontifex Bonifatius
  2. πŸ” 25% Apostolatus apicemApostolatus apicem
  3. πŸ” 24% O Doctor optimeO Doctor optime
  4. πŸ” 23% Sacerdos et pontifexSacerdos et pontifex
  5. πŸ” 23% Sacerdos et pontifexSacerdos et pontifex
  6. πŸ” 23% Credo VIICredo VII
  7. πŸ” 23% Egredimini et videte filiae Sion (Ant.)Egredimini et videte filiae Sion (Ant.)
  8. πŸ” 23% Levita LaurentiusLevita Laurentius
  9. πŸ” 23% In medio EcclesiaeIn medio Ecclesiae
  10. πŸ” 22% Spiritus et animae justorumSpiritus et animae justorum
  11. πŸ” 22% Beatus Anselmus saeculi principesBeatus Anselmus saeculi principes
  12. πŸ” 22% Beata RadegundisBeata Radegundis
  13. πŸ” 22% O doctor optime... BernardeO doctor optime... Bernarde
  14. πŸ” 22% In ecclesiisIn ecclesiis
  15. πŸ” 22% Unum et verum in TrinitateUnum et verum in Trinitate
  16. πŸ” 22% O Doctor optime(Athanasi)O Doctor optime(Athanasi)
  17. πŸ” 22% Sacerdos et pontifexSacerdos et pontifex
  18. πŸ” 21% Verbum caro factum estVerbum caro factum est
  19. πŸ” 21% Praesulis exsultansPraesulis exsultans
  20. πŸ” 21% Martyr Dei qui unicumMartyr Dei qui unicum
  21. πŸ” 21% Martyr Dei StanislausMartyr Dei Stanislaus
  22. πŸ” 21% Fuit virFuit vir
  23. πŸ” 21% Ortus refulget luciferOrtus refulget lucifer
  24. πŸ” 21% Ecce levavit ad gentesEcce levavit ad gentes
  25. πŸ” 21% Interrogatus a praesideInterrogatus a praeside
  26. πŸ” 20% Ecce JoannaEcce Joanna
  27. πŸ” 20% Ne timeas MariaNe timeas Maria
  28. πŸ” 20% Triduanas a DominoTriduanas a Domino
  29. πŸ” 20% Exaltata est Virgo MariaExaltata est Virgo Maria
  30. πŸ” 20% Levita LaurentiusLevita Laurentius
  31. πŸ” 20% Quam pulchra es GertrudisQuam pulchra es Gertrudis
  32. πŸ” 20% Praesul invictissimusPraesul invictissimus
  33. πŸ” 20% Exsultet jam AngelicaExsultet jam Angelica
  34. πŸ” 20% Deus, qui potestΓ‘teDeus, qui potestΓ‘te
  35. πŸ” 20% Aeterne Rex altissimeAeterne Rex altissime
  36. πŸ” 20% Ego sum Deus patrum vestrorumEgo sum Deus patrum vestrorum
  37. πŸ” 20% Gregorius septiformi gratiaGregorius septiformi gratia
  38. πŸ” 20% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus
  39. πŸ” 20% Euntes in mundum universumEuntes in mundum universum
  40. πŸ” 20% Ne timeas MariaNe timeas Maria
  41. πŸ” 20% Ecce ego JoannesEcce ego Joannes
  42. πŸ” 20% In medio EcclesiaeIn medio Ecclesiae
  43. πŸ” 20% JoannaJoanna
  44. πŸ” 20% Plenus dierumPlenus dierum
  45. πŸ” 20% O dignissima Christi sponsaO dignissima Christi sponsa
  46. πŸ” 20% Gloriosus Confessor Domini Benedictus (modus 8g)Gloriosus Confessor Domini Benedictus (modus 8g)
  47. πŸ” 20% Descendit Jesus cum eis (Ant.)Descendit Jesus cum eis (Ant.)
  48. πŸ” 19% Qui lacrimatusQui lacrimatus
  49. πŸ” 19% Dum esset summus PontifexDum esset summus Pontifex
  50. πŸ” 19% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  51. πŸ” 19% Sapientia clamitatSapientia clamitat
  52. πŸ” 19% Sapientiam Sanctorum (t.4) (T.P.)Sapientiam Sanctorum (t.4) (T.P.)
  53. πŸ” 19% Ad te... vigilansAd te... vigilans
  54. πŸ” 19% Pastor vigilantissimusPastor vigilantissimus
  55. πŸ” 19% Si manseritis in meSi manseritis in me
  56. πŸ” 19% Sacerdos et Pontifex... oraSacerdos et Pontifex... ora
  57. πŸ” 19% Tu es PetrusTu es Petrus
  58. πŸ” 19% Loquebatur Christus ad dilectamLoquebatur Christus ad dilectam
  59. πŸ” 19% O Petre lumen errantiumO Petre lumen errantium
  60. πŸ” 19% Ad quas orba viroAd quas orba viro
  61. πŸ” 19% Dixit Dominus matri suaeDixit Dominus matri suae
  62. πŸ” 19% Blandina fortis adolescentiaBlandina fortis adolescentia
  63. πŸ” 19% O doctor optimeO doctor optime
  64. πŸ” 19% Ne timeas Maria (in Annunciatio)Ne timeas Maria (in Annunciatio)
  65. πŸ” 19% Gloria in excelsis DeoGloria in excelsis Deo