Subject: From: Roland werk <R.W.M.Mathijssen(at)INAME.COM> Date: Wed, 11 Sep 2002 08:23:07 GMTHi Ole, Not sure about most instruments, but I play didgeridoo (see e.g. http://www.didgeweb.com/ ) and I have hearing protectors. When I use them while playing didge the occlusion becomes the main "problem". That is the sound becomes really different, since playing a didge is based on vibrating ones lips on a relatively low frequency. When playing/rehearsing with my band I usually take out the plugs to make sure that I hear the didge and the rest of the music properly. Perhaps specially designed protectors would help, but diminishing occlusion is a must. I would guess that something similar is the case with trumpet or trombone like instruments, but I'm not sure about that. Kind regards Roland Mathijssen Ole Juhl Pedersen wrote: For possible inclusion in the list: Subject: Can Musicians practice with hearing protectors? European governments are considering rules for musicians' mandatory use of hearing protectors during training, rehearsals and concerts - much in line with regulations for industrial workers. However, very little seems to be known of a crucial problem: How will the use of specially designed protectors affect the quality of performance for players of various instruments; e.g. strings, brass, woodwind, percussion? Singers, conductors? Any information, suggestions and comments on this and related problems will be welcomed by Ole Juhl Pedersen Associate prof. emeritus. Technical University of Denmark juhlp(at)koebenhavn.mail.telia.com