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% Angelus Domini apparuitAngelus Domini apparuit
  2. 🔍 78% Deus docuistiDeus docuisti
  3. 🔍 75% Ego Dominus inebriaboEgo Dominus inebriabo
  4. 🔍 42% Justorum animae (Off.)Justorum animae (Off.)
  5. 🔍 42% Ecce Angelus DominiEcce Angelus Domini
  6. 🔍 41% Stetit PontifexStetit Pontifex
  7. 🔍 39% VerumtamenVerumtamen
  8. 🔍 39% Stetit Angelus (Off)Stetit Angelus (Off)
  9. 🔍 38% Inclinet DominusInclinet Dominus
  10. 🔍 37% Manum suamManum suam
  11. 🔍 37% Te saeculorum PrincipemTe saeculorum Principem
  12. 🔍 37% Beata nobis gaudiaBeata nobis gaudia
  13. 🔍 37% Beata nobis gaudiaBeata nobis gaudia
  14. 🔍 37% Beata nobisBeata nobis
  15. 🔍 36% Petite sine AlleluiaPetite sine Alleluia
  16. 🔍 36% Petite cum AlleluiaPetite cum Alleluia
  17. 🔍 36% Obaudite meObaudite me
  18. 🔍 35% Qui me inveneritQui me invenerit
  19. 🔍 34% Jesu dulcis amorJesu dulcis amor
  20. 🔍 33% Sapientia hujusSapientia hujus
  21. 🔍 33% O crux splendidiorO crux splendidior
  22. 🔍 33% Erit autem sanguisErit autem sanguis
  23. 🔍 33% Qui docti fuerint fulgebuntQui docti fuerint fulgebunt
  24. 🔍 33% Adesto sancta TrinitasAdesto sancta Trinitas
  25. 🔍 32% Juravit DominusJuravit Dominus
  26. 🔍 32% Rogavi pro teRogavi pro te
  27. 🔍 32% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  28. 🔍 32% Dignus es DomineDignus es Domine
  29. 🔍 32% Lux perpetuaLux perpetua
  30. 🔍 31% Per te Dei GenitrixPer te Dei Genitrix
  31. 🔍 31% Candida VirginitasCandida Virginitas
  32. 🔍 31% Unus panisUnus panis
  33. 🔍 31% Quem terra pontus sideraQuem terra pontus sidera
  34. 🔍 31% Fulgebunt justi et tamquamFulgebunt justi et tamquam
  35. 🔍 31% Ipse est directusIpse est directus
  36. 🔍 31% O salutaris Hostia IIIO salutaris Hostia III
  37. 🔍 31% Spiritus DominiSpiritus Domini
  38. 🔍 31% Libera me Domine de morteLibera me Domine de morte
  39. 🔍 30% Solve jubente DeoSolve jubente Deo
  40. 🔍 30% Surrexit Christus et illuxitSurrexit Christus et illuxit
  41. 🔍 30% Quam magnaQuam magna
  42. 🔍 30% Duo SeraphimDuo Seraphim
  43. 🔍 30% Angelus Domini apparuit (Intr.)Angelus Domini apparuit (Intr.)
  44. 🔍 30% In Deo salutareIn Deo salutare
  45. 🔍 29% Cum sublevassetCum sublevasset
  46. 🔍 29% Gratias tibi DeusGratias tibi Deus
  47. 🔍 29% FructumFructum
  48. 🔍 29% Ecce concipietEcce concipiet
  49. 🔍 29% Beata visceraBeata viscera
  50. 🔍 29% In salutariIn salutari
  51. 🔍 29% Quae est ista quae progrediturQuae est ista quae progreditur
  52. 🔍 29% Ite IXIte IX
  53. 🔍 29% Venite comediteVenite comedite
  54. 🔍 29% Tantum ergo VIITantum ergo VII
  55. 🔍 28% Immolabit haedumImmolabit haedum
  56. 🔍 28% Salvabo populumSalvabo populum
  57. 🔍 28% Credo VICredo VI
  58. 🔍 28% Amen dico vobis quod vosAmen dico vobis quod vos
  59. 🔍 28% ImmolabitImmolabit
  60. 🔍 28% ImmolabitImmolabit
  61. 🔍 27% Ecce Angelus DominiEcce Angelus Domini
  62. 🔍 27% Felix namque esFelix namque es
  63. 🔍 27% Illi ergo hominesIlli ergo homines
  64. 🔍 27% Illi ergo hominesIlli ergo homines
  65. 🔍 27% Veni Creator SpiritusVeni Creator Spiritus