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% Ave MariaAve Maria
  2. 🔍 91% Ave Maria (maj.)Ave Maria (maj.)
  3. 🔍 47% Christum regemChristum regem
  4. 🔍 43% Sancta Maria Dei GenetrixSancta Maria Dei Genetrix
  5. 🔍 42% Christum Dei Filium qui putariChristum Dei Filium qui putari
  6. 🔍 29% Missus est Gabriel Angelus (t.p. alter tonus)Missus est Gabriel Angelus (t.p. alter tonus)
  7. 🔍 28% Puer meus noli timerePuer meus noli timere
  8. 🔍 28% Hic est MartinusHic est Martinus
  9. 🔍 28% Ave Maria... tecumAve Maria... tecum
  10. 🔍 27% Isti sunt diesIsti sunt dies
  11. 🔍 27% Jesum Christum Regem regumJesum Christum Regem regum
  12. 🔍 27% Impii super justumImpii super justum
  13. 🔍 27% Congratulamini mihi...quia cumCongratulamini mihi...quia cum
  14. 🔍 27% Ave Maria ... alleluiaAve Maria ... alleluia
  15. 🔍 27% Luciae VirgoLuciae Virgo
  16. 🔍 27% Missus est Gabriel Angleus (t.p.)Missus est Gabriel Angleus (t.p.)
  17. 🔍 26% Spiritus Sanctus replevit totam domumSpiritus Sanctus replevit totam domum
  18. 🔍 26% Det tibi DeusDet tibi Deus
  19. 🔍 26% Ecce ego mitto vosEcce ego mitto vos
  20. 🔍 26% O quam pulchra estO quam pulchra est
  21. 🔍 26% Deum magnum DominumDeum magnum Dominum
  22. 🔍 26% Ave Maria... Spiritus (t.p.)Ave Maria... Spiritus (t.p.)
  23. 🔍 26% Glorisae Virginis Mariae MaternitatemGlorisae Virginis Mariae Maternitatem
  24. 🔍 25% Elisabeth ZachariaeElisabeth Zachariae
  25. 🔍 25% Simeon justusSimeon justus
  26. 🔍 25% Regem Apostolorum (simpl.)Regem Apostolorum (simpl.)
  27. 🔍 25% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  28. 🔍 25% Simon Petre antequamSimon Petre antequam
  29. 🔍 25% Ecce vicit leoEcce vicit leo
  30. 🔍 25% Eram quasi agnus innocensEram quasi agnus innocens
  31. 🔍 25% Ave Maria...Alleluia (Ant.)Ave Maria...Alleluia (Ant.)
  32. 🔍 25% Laudemus Deum nostrum (singularis)Laudemus Deum nostrum (singularis)
  33. 🔍 24% Pater peccavi in coelumPater peccavi in coelum
  34. 🔍 24% Specie tuaSpecie tua
  35. 🔍 24% Regem Virginum Dominum (min.)Regem Virginum Dominum (min.)
  36. 🔍 24% Regem Apostolorum (TP)Regem Apostolorum (TP)
  37. 🔍 24% Priusquam te formaremPriusquam te formarem
  38. 🔍 24% Ave Virgo MariaAve Virgo Maria
  39. 🔍 24% Benedixit Deus NoeBenedixit Deus Noe
  40. 🔍 24% Signum magnumSignum magnum
  41. 🔍 24% Christus natus est nobisChristus natus est nobis
  42. 🔍 24% Haec est virgo sapiens quamHaec est virgo sapiens quam
  43. 🔍 24% Ave MariaAve Maria
  44. 🔍 24% Ecce odorEcce odor
  45. 🔍 24% Exsultent in Domino SanctiExsultent in Domino Sancti
  46. 🔍 24% Regem Confessorum Dominum (simpl.)Regem Confessorum Dominum (simpl.)
  47. 🔍 24% Euge serveEuge serve
  48. 🔍 23% Lapides pretiosiLapides pretiosi
  49. 🔍 23% Ave MariaAve Maria
  50. 🔍 23% Ave Maria... SpiritusAve Maria... Spiritus
  51. 🔍 23% Alleluia noli flere MariaAlleluia noli flere Maria
  52. 🔍 23% Domine iste SanctusDomine iste Sanctus
  53. 🔍 23% Adorate DominumAdorate Dominum
  54. 🔍 23% Benedicite Deum caeliBenedicite Deum caeli
  55. 🔍 23% InvocantemInvocantem
  56. 🔍 23% Regem magnum DominumRegem magnum Dominum
  57. 🔍 23% Agathes laetissimaAgathes laetissima
  58. 🔍 23% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  59. 🔍 23% Ave Maria ... allel.Ave Maria ... allel.
  60. 🔍 23% Ave MariaAve Maria
  61. 🔍 23% Ave Maria (Resp. br. in T.P.))Ave Maria (Resp. br. in T.P.))
  62. 🔍 23% Regem Archangelorum DominumRegem Archangelorum Dominum
  63. 🔍 23% Stetit AngelusStetit Angelus
  64. 🔍 23% Surrexit Dominus vereSurrexit Dominus vere
  65. 🔍 22% Adorate DeumAdorate Deum