Anexo3 (2017-18) was composed by Jaime Oliver La Rosa and Ensemble KLEM over residencies in Bilbao, Lima, and Santiago de Chile, through elaborated processes of sound design, experimentation, improvisation, recording, and reflection. Often processed beyond recognition, violin, flutes, and saxophones are performed along güiros, motors, and a system of aluminum plates, struck and induced into resonance through feedback processes controlled by microphones, transducers, and computer software and joi…