Resource REVIEW: Karlheinz Company, Mouthpiece, 5 Sep 2017 (NZ Herald) Website Review × Borrow/Hire: To borrow items or hire parts please email SOUNZ directly at info@sounz.org.nz. About Featuring 3 About Click HERE to read this review by William Dart Author note William Dart Featuring I give you back for unaccompanied soprano by Annea Lockwood in 1993 7m Mouth Piece for voice, electronics and film by John Coulter in 2008 10m whiplash for two flutes by Eve de Castro-Robinson in 2017 4m