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 Pontifex... sicSacerdos et Pontifex... sic
  2. 🔍 71% Sacerdos et Pontifex... oraSacerdos et Pontifex... ora
  3. 🔍 67% Sacerdos et PontifexSacerdos et Pontifex
  4. 🔍 64% Sacerdos et pontifexSacerdos et pontifex
  5. 🔍 60% Sacerdos et pontifexSacerdos et pontifex
  6. 🔍 46% Sacerdos et pontifexSacerdos et pontifex
  7. 🔍 35% Dilexit justitiam (alt)Dilexit justitiam (alt)
  8. 🔍 28% Benedicamus (ad lib.)Benedicamus (ad lib.)
  9. 🔍 27% O filii et filiaeO filii et filiae
  10. 🔍 24% Dum esset summus pontifexDum esset summus pontifex
  11. 🔍 24% Martyr Dei StanislausMartyr Dei Stanislaus
  12. 🔍 23% Cor JesuCor Jesu
  13. 🔍 23% Pontifex sacerdosPontifex sacerdos
  14. 🔍 22% Pontifex sacerdosPontifex sacerdos
  15. 🔍 22% Ite IaIte Ia
  16. 🔍 22% Sanctus XVIIISanctus XVIII
  17. 🔍 22% Deus mundi opifexDeus mundi opifex
  18. 🔍 22% Ecce sacerdos magnusEcce sacerdos magnus
  19. 🔍 21% Ite XV/XVIIte XV/XVI
  20. 🔍 21% Puer natus in BethlehemPuer natus in Bethlehem
  21. 🔍 21% Dum esset summus PontifexDum esset summus Pontifex
  22. 🔍 21% RequiescantRequiescant
  23. 🔍 21% Tu es sacerdos (Paschal Time)Tu es sacerdos (Paschal Time)
  24. 🔍 21% Confirma hoc DeusConfirma hoc Deus
  25. 🔍 20% Locus iste (Paschal Time)Locus iste (Paschal Time)
  26. 🔍 20% Pueri Hebraeorum vestimentaPueri Hebraeorum vestimenta
  27. 🔍 20% Dominus dabitDominus dabit
  28. 🔍 20% Pontifex sacerdosPontifex sacerdos
  29. 🔍 20% Dum esset summusDum esset summus
  30. 🔍 19% Ite XIIIte XII
  31. 🔍 19% Benedicamus IXBenedicamus IX
  32. 🔍 19% Ite IXIte IX
  33. 🔍 19% Regina caeli (simple tone)Regina caeli (simple tone)
  34. 🔍 19% Rorate caeli desuperRorate caeli desuper
  35. 🔍 19% Adoremus in aeternumAdoremus in aeternum
  36. 🔍 19% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  37. 🔍 19% Da pacem DomineDa pacem Domine
  38. 🔍 18% Montes et collesMontes et colles
  39. 🔍 18% Vidi aquamVidi aquam
  40. 🔍 18% Deus a LibanoDeus a Libano
  41. 🔍 18% Dominus dabit virtutemDominus dabit virtutem
  42. 🔍 18% Montes et collesMontes et colles
  43. 🔍 18% Dum intraretDum intraret
  44. 🔍 18% Sancti tui DomineSancti tui Domine
  45. 🔍 18% Deus a LibanoDeus a Libano
  46. 🔍 18% Adoremus Ps. Laudate Dominum. IIIAdoremus Ps. Laudate Dominum. III
  47. 🔍 18% Ecce in nubibusEcce in nubibus
  48. 🔍 18% Tantum ergo. IITantum ergo. II
  49. 🔍 18% O nimis felix meritique (Alter tonus)O nimis felix meritique (Alter tonus)
  50. 🔍 18% Lapides pretiosiLapides pretiosi
  51. 🔍 18% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  52. 🔍 18% Ego sum resurrectioEgo sum resurrectio
  53. 🔍 18% Locus isteLocus iste
  54. 🔍 17% Sacerdos in aeternumSacerdos in aeternum
  55. 🔍 17% Tantum ergo (modern chant)Tantum ergo (modern chant)
  56. 🔍 17% Benedicamus XIBenedicamus XI
  57. 🔍 17% Martyr et Pontifex BonifatiusMartyr et Pontifex Bonifatius
  58. 🔍 17% Asperges meAsperges me
  59. 🔍 17% Ite IbIte Ib
  60. 🔍 17% Gloria et honore...allel.Gloria et honore...allel.
  61. 🔍 17% Notum fecit DominusNotum fecit Dominus
  62. 🔍 17% O salutaris Hostia IIO salutaris Hostia II
  63. 🔍 17% Oremus pro PontificeOremus pro Pontifice
  64. 🔍 17% Pueri Hebraeorum portantesPueri Hebraeorum portantes
  65. 🔍 17% Tu es sacerdosTu es sacerdos