Last volume of Ton Koopman’s Bach cycle on various baroque organs over the most iconic throughout the Netherlands and Germany. This collection is an absolute modern reference and is finally fully available digitally. This album, performed at the organ of the main church of Groningen, northern Netherlands, includes the complete set of concertos composed after Bach contemporaries (notably Vivaldi and the prince of Saxe-Weimar), and various isolated pieces like the famous Little Harmonic Labyrinth.