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% Ingressa AgnesIngressa Agnes
  2. 🔍 83% Ingressa AgnesIngressa Agnes
  3. 🔍 78% Ingressa AgnesIngressa Agnes
  4. 🔍 76% Ingressa AgnesIngressa Agnes
  5. 🔍 34% Mecum enim habeoMecum enim habeo
  6. 🔍 26% Mecum enimMecum enim
  7. 🔍 24% Valerianus in cubiculoValerianus in cubiculo
  8. 🔍 22% Ipse praeibit ante illumIpse praeibit ante illum
  9. 🔍 21% Valerianus in cubiculoValerianus in cubiculo
  10. 🔍 21% Annulo suo subarrhavitAnnulo suo subarrhavit
  11. 🔍 21% Annulo suoAnnulo suo
  12. 🔍 21% Beata es MariaBeata es Maria
  13. 🔍 21% Stans beata AgnesStans beata Agnes
  14. 🔍 21% Beata es MariaBeata es Maria
  15. 🔍 20% Ecce mitto AngelumEcce mitto Angelum
  16. 🔍 20% Veni sponsa (II. Vesp.)Veni sponsa (II. Vesp.)
  17. 🔍 19% Ingresso Zacharia templumIngresso Zacharia templum
  18. 🔍 19% Deus meus misericordiaDeus meus misericordia
  19. 🔍 19% Ingresso Zacharia templumIngresso Zacharia templum
  20. 🔍 19% Valerianus in cubiculoValerianus in cubiculo
  21. 🔍 19% Beata Agnes in medio flammarumBeata Agnes in medio flammarum
  22. 🔍 19% Defecerunt prae lacrimisDefecerunt prae lacrimis
  23. 🔍 18% Ne timeas Maria ... allel.Ne timeas Maria ... allel.
  24. 🔍 18% Mecum enimMecum enim
  25. 🔍 18% Diem festum sacratissimae (Resp.)Diem festum sacratissimae (Resp.)
  26. 🔍 18% Cum venerit FiliusCum venerit Filius
  27. 🔍 18% In loco pascuaeIn loco pascuae
  28. 🔍 18% Sancte Paule ApostoleSancte Paule Apostole
  29. 🔍 18% Sancte Paule ApostoleSancte Paule Apostole
  30. 🔍 18% Sancte Paule ApostoleSancte Paule Apostole
  31. 🔍 18% Angelus Gabriel apparuitAngelus Gabriel apparuit
  32. 🔍 18% Ave MariaAve Maria
  33. 🔍 18% Domine in caeloDomine in caelo
  34. 🔍 18% Veni sponsa Christi (II Vesperis)Veni sponsa Christi (II Vesperis)
  35. 🔍 18% Veni sponsa (I. Vesp.)Veni sponsa (I. Vesp.)
  36. 🔍 18% Angelus Domini descendebatAngelus Domini descendebat
  37. 🔍 18% Sacrificabo hostiamSacrificabo hostiam
  38. 🔍 18% Statuit ea in aeternumStatuit ea in aeternum
  39. 🔍 18% Rerum Deus tenax vigor (In Dom. et Minor. Festis)Rerum Deus tenax vigor (In Dom. et Minor. Festis)
  40. 🔍 18% Vidimus stellam ejusVidimus stellam ejus
  41. 🔍 18% Ingressus AngelusIngressus Angelus
  42. 🔍 18% Ingressus Angelus ad TobiamIngressus Angelus ad Tobiam
  43. 🔍 18% Ecce Dominus venietEcce Dominus veniet
  44. 🔍 17% Egredietur DominusEgredietur Dominus
  45. 🔍 17% Pater si non potestPater si non potest
  46. 🔍 17% Sancti et justi in DominoSancti et justi in Domino
  47. 🔍 17% Sancti et justi in DominoSancti et justi in Domino
  48. 🔍 17% Misericordia et veritasMisericordia et veritas
  49. 🔍 17% Sacerdos et PontifexSacerdos et Pontifex
  50. 🔍 17% Cum iratus fuerisCum iratus fueris
  51. 🔍 17% Assumpta est MariaAssumpta est Maria
  52. 🔍 17% Lauda SionLauda Sion
  53. 🔍 17% Stans beata AgnesStans beata Agnes
  54. 🔍 17% Omnis sapientiaOmnis sapientia
  55. 🔍 17% Deus meus misericordiaDeus meus misericordia
  56. 🔍 17% Ingressus AngelusIngressus Angelus
  57. 🔍 17% ConfideConfide
  58. 🔍 17% Misit Dominus ... de manuMisit Dominus ... de manu
  59. 🔍 17% Misit Dominus ... de manuMisit Dominus ... de manu
  60. 🔍 17% Ave Maria ... allel.Ave Maria ... allel.
  61. 🔍 17% Ecce mittoEcce mitto
  62. 🔍 17% Dedisti Domine habitaculumDedisti Domine habitaculum
  63. 🔍 17% Exortum estExortum est
  64. 🔍 17% Valerianus in cubiculoValerianus in cubiculo
  65. 🔍 17% Valerianus in cubiculoValerianus in cubiculo