Keyboard concertos by Johann Sebastian Bach practice that lasted until the early nineteenth century, namely the soloist played along with the orchestra in "tutti" sections, only coming into prominence in "solo" passages. The works BWV 1052–1057 were intended as a set of six, shown in the manuscript in Bach's traditional manner beginning with 'J.J.' ("Jesu juva", "Jesus, help") and ending with 'Finis. S. D. Gl.' ("Soli Deo Gloria"). Aside from the Brandenburg concertos, it is the only such collection of concertos in Bach's oeuvre, and it is the only set of concertos from his Leipzig years. The concerto BWV 1058 and fragment BWV 1059 are at
Strathclyde Concertos of the "Strathclyde Concertos", Davies increased the number of soloists. The Ninth (1994) is scored for six woodwind soloists, while the Tenth (1996) is a concerto for orchestra whose finale is a sort of recapitulation of ideas heard in the earlier concertos. The first two concertos were recorded by Unicorn-Kanchana, with the composer conducting. The remainder were recorded by Collins Classics. This concerto is based on two pre-existent works: Haydn's overture "L'isola disabitata" and a two-part setting of the opening line of Ecclesiastes, "Vanitas vanitatum et omnia vanitas" by the early seventeenth-century composer Jan Albert Ban. Strathclyde Concertos The Strathclyde