Double Concertos by Bach's Sons on Original Instruments - circa 1750-1788 Carl Philipp Emanuel BACH | Double Concerto for harpsichord and fortepiano in E-flat major, W. 47 - H. 479 Johann Christian BACH | Sinfonia concertante in F major, T. VIII/6 Wilhelm Friedemann BACH | Double concerto for 2 harpsichords in E-flat major, F. 46 Leonhardt-Consort of Amsterdam | Concentus Musicus of Vienna First edition on LP: Telefunken | Sawt 9490-A | 1 LP | 49' 31" | ANA | ℗ 1967 First edition on CD: Teldec Classics International GmbH | 0630-12326-2 | 1 CD | 49' 31" | ADD | LC 6019 | © 1996 Recording: Hervormde Kerk in Bennebroek (Olanda): 16-18, 20 & 21 June 1966 | studio