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history   sonor   quasimodo   antinnitus   auris   impetus  
history learn about the history and the background of ifa
sonor the lasting effect of improving acoustics of a church
quasimodo how a miscast finally turned into a well-working churchbell
antinnitus about removing unwanted noise in the ear
auris the ear as a complex resonance system - and how to repair it
impetus improving of performance bilance of resonating systems

the art of applying sound and playabilty characteristics to instruments with lasting effect, which cannot be achieved by decades of „playing in“

investors with vision - investment with reason