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% Sacerdos et pontifexSacerdos et pontifex
  2. 🔍 94% Sacerdos et pontifexSacerdos et pontifex
  3. 🔍 69% Sacerdos et Pontifex... oraSacerdos et Pontifex... ora
  4. 🔍 66% Sacerdos et PontifexSacerdos et Pontifex
  5. 🔍 60% Sacerdos et Pontifex... sicSacerdos et Pontifex... sic
  6. 🔍 58% Sacerdos et pontifexSacerdos et pontifex
  7. 🔍 30% Martyr Dei StanislausMartyr Dei Stanislaus
  8. 🔍 28% Dum esset summus PontifexDum esset summus Pontifex
  9. 🔍 25% Pontifex sacerdosPontifex sacerdos
  10. 🔍 25% Montes et collesMontes et colles
  11. 🔍 25% Dominus dabitDominus dabit
  12. 🔍 25% Pontifex sacerdosPontifex sacerdos
  13. 🔍 24% Sacerdos in aeternumSacerdos in aeternum
  14. 🔍 24% Ecce in nubibusEcce in nubibus
  15. 🔍 24% Sacerdos Dei Martine pastorSacerdos Dei Martine pastor
  16. 🔍 24% Sacerdos in aeternumSacerdos in aeternum
  17. 🔍 23% Martyr et Pontifex BonifatiusMartyr et Pontifex Bonifatius
  18. 🔍 23% Exaudiat Dominus orationesExaudiat Dominus orationes
  19. 🔍 23% Tu principatumTu principatum
  20. 🔍 23% Dum esset summus pontifexDum esset summus pontifex
  21. 🔍 23% Medicinam carnalemMedicinam carnalem
  22. 🔍 23% Stans autemStans autem
  23. 🔍 22% Non recedetNon recedet
  24. 🔍 22% Nemo in eumNemo in eum
  25. 🔍 22% Pontifex sacerdosPontifex sacerdos
  26. 🔍 22% Beata es Virgo Maria quae (Ant)Beata es Virgo Maria quae (Ant)
  27. 🔍 22% Dilexit justitiam (alt)Dilexit justitiam (alt)
  28. 🔍 22% Filiae JerusalemFiliae Jerusalem
  29. 🔍 22% Filiae JerusalemFiliae Jerusalem
  30. 🔍 22% Deus mundi opifexDeus mundi opifex
  31. 🔍 22% Gloriosae Virginis MariaeGloriosae Virginis Mariae
  32. 🔍 22% Sacerdotes sanctiSacerdotes sancti
  33. 🔍 21% Tu es sacerdos (Paschal Time)Tu es sacerdos (Paschal Time)
  34. 🔍 21% Litaniae LauretanaeLitaniae Lauretanae
  35. 🔍 21% Locus isteLocus iste
  36. 🔍 21% Dum esset SummusDum esset Summus
  37. 🔍 21% Dominus dabit virtutemDominus dabit virtutem
  38. 🔍 21% DeclinaboDeclinabo
  39. 🔍 21% Regina caeli laetareRegina caeli laetare
  40. 🔍 21% Beati estis (T.P.)Beati estis (T.P.)
  41. 🔍 21% Sacerdos in aeternumSacerdos in aeternum
  42. 🔍 21% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  43. 🔍 21% Sacerdos in aeternumSacerdos in aeternum
  44. 🔍 21% Sacerdos in aeternumSacerdos in aeternum
  45. 🔍 20% O nimis felix meritique (Alter tonus)O nimis felix meritique (Alter tonus)
  46. 🔍 20% Locus iste (Paschal Time)Locus iste (Paschal Time)
  47. 🔍 20% RogaboRogabo
  48. 🔍 20% O Virgo MariaO Virgo Maria
  49. 🔍 20% Sacerdos in aeternumSacerdos in aeternum
  50. 🔍 20% Meritis et precibus (T.P.)Meritis et precibus (T.P.)
  51. 🔍 20% Hodie Simon PetrusHodie Simon Petrus
  52. 🔍 20% Gloria et honore...allel.Gloria et honore...allel.
  53. 🔍 20% Ecce in nubibusEcce in nubibus
  54. 🔍 20% Montes et collesMontes et colles
  55. 🔍 20% Euge serve boneEuge serve bone
  56. 🔍 20% Candor aeternaeCandor aeternae
  57. 🔍 20% Cum pervenisset beatus AndreasCum pervenisset beatus Andreas
  58. 🔍 20% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  59. 🔍 20% Stetit PontifexStetit Pontifex
  60. 🔍 20% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  61. 🔍 19% Caritas DeiCaritas Dei
  62. 🔍 19% Sancta Maria succurreSancta Maria succurre
  63. 🔍 19% Quid tuo nobisQuid tuo nobis
  64. 🔍 19% Euge, serve bone (Pont.)Euge, serve bone (Pont.)
  65. 🔍 19% Benedicite sancti et humiles cordeBenedicite sancti et humiles corde