Ton Koopman's new edition of all 16 organ concertos by Handel has drawn to a close. The quality of this edition has been highly praised from all quarters. Source-critical responsibility goes hand in hand with a high level of performance practice when Koopman provides interpretative tips for the ad libitum passages in the organ part without restricting the creativity of the interpreter who is interested in stylistic matters and prefers to work out his own solutions. "I want to make an edition tha...