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% Credo VCredo V
  2. 🔍 85% Credo ICredo I
  3. 🔍 75% Credo ICredo I
  4. 🔍 74% Credo ICredo I
  5. 🔍 72% Credo I (forma ordinaria)Credo I (forma ordinaria)
  6. 🔍 71% Credo IICredo II
  7. 🔍 69% Credo IVCredo IV
  8. 🔍 60% Credo ICredo I
  9. 🔍 59% Credo Missa RegiaCredo Missa Regia
  10. 🔍 57% Credo IV (more ambrosiano)Credo IV (more ambrosiano)
  11. 🔍 56% Credo IICredo II
  12. 🔍 56% Credo VIICredo VII
  13. 🔍 53% Credo IICredo II
  14. 🔍 48% Credo (Missa Regia I)Credo (Missa Regia I)
  15. 🔍 48% Veni Creator SpiritusVeni Creator Spiritus
  16. 🔍 47% Credo VICredo VI
  17. 🔍 45% Quem terra pontus sideraQuem terra pontus sidera
  18. 🔍 44% Credo (Missa secundi Toni)Credo (Missa secundi Toni)
  19. 🔍 43% Christe sanctorumChriste sanctorum
  20. 🔍 42% Jam Christus astraJam Christus astra
  21. 🔍 42% Jesu dulcis amorJesu dulcis amor
  22. 🔍 42% Jam Christus astraJam Christus astra
  23. 🔍 41% Iste Confessor (Conf. Bishop) 2Iste Confessor (Conf. Bishop) 2
  24. 🔍 41% Credo I.Credo I.
  25. 🔍 41% Credo IIICredo III
  26. 🔍 40% Asperges me (ad lib.) IIAsperges me (ad lib.) II
  27. 🔍 40% Iste Confessor (Conf. Bishop) (another chant)Iste Confessor (Conf. Bishop) (another chant)
  28. 🔍 38% Credo in DeumCredo in Deum
  29. 🔍 38% Adesto sancta TrinitasAdesto sancta Trinitas
  30. 🔍 37% Vexilla ChristusVexilla Christus
  31. 🔍 37% Exsultet orbis gaudiis (another chant)Exsultet orbis gaudiis (another chant)
  32. 🔍 37% Adoremus in aeternum IAdoremus in aeternum I
  33. 🔍 37% Te lucis ante terminum (In Festo Christi Regis)Te lucis ante terminum (In Festo Christi Regis)
  34. 🔍 36% Libera me Domine de morteLibera me Domine de morte
  35. 🔍 36% Gloria VIIGloria VII
  36. 🔍 36% Ave Regina... MaterAve Regina... Mater
  37. 🔍 36% Adoremus in aeternumAdoremus in aeternum
  38. 🔍 36% Ave Maris StellaAve Maris Stella
  39. 🔍 36% Te lucis ante terminum (Pentecost)Te lucis ante terminum (Pentecost)
  40. 🔍 36% Asperges me (ad lib) II.Asperges me (ad lib) II.
  41. 🔍 35% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  42. 🔍 35% Ave Maris Stella (Off. BMV in Sab.)Ave Maris Stella (Off. BMV in Sab.)
  43. 🔍 35% Miserere mei... secundumMiserere mei... secundum
  44. 🔍 35% Semel juraviSemel juravi
  45. 🔍 35% Lux alma JesuLux alma Jesu
  46. 🔍 34% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  47. 🔍 34% Exsultet orbis gaudiisExsultet orbis gaudiis
  48. 🔍 34% Gloria XIIIGloria XIII
  49. 🔍 34% Judicii signumJudicii signum
  50. 🔍 34% Rector potens verax Deus (In Quadragesima)Rector potens verax Deus (In Quadragesima)
  51. 🔍 34% Benedicamus PatremBenedicamus Patrem
  52. 🔍 34% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  53. 🔍 34% Credo IICredo II
  54. 🔍 34% Exsultet orbis gaudiisExsultet orbis gaudiis
  55. 🔍 34% A solis ortus cardineA solis ortus cardine
  56. 🔍 34% Te Deum (Simple tone)Te Deum (Simple tone)
  57. 🔍 34% Adoro te devoteAdoro te devote
  58. 🔍 34% Ave maris stella (Officium Parvum)Ave maris stella (Officium Parvum)
  59. 🔍 34% In aeternum DomineIn aeternum Domine
  60. 🔍 34% Credo IIICredo III
  61. 🔍 34% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  62. 🔍 34% Quale cum caelumQuale cum caelum
  63. 🔍 34% Tantum ergo IIITantum ergo III
  64. 🔍 33% Te lucis ante terminum (Sacred Heart)Te lucis ante terminum (Sacred Heart)
  65. 🔍 33% Exsultet jam AngelicaExsultet jam Angelica