As an audio professional with experience stretching from the Paleo festival in the 1970s, through working with many of the world’s highest profile artists, to his current role of designing high end audio installations for events and venues, Pierre-André Aebischer knows a thing or two about sound. This experience is why he chose Yamaha’s STAGEPAS 1K all-in-one portable PA systems to demonstrate the advantages of multi-channel, immersive live audio.