With your musician fit, did your ciem end up getting really deep in your ears or did it stay relatively shallow? I have tried those foam type of iem that comes with a standard phone and I absolutely HATED IT. Was not comfortable AT ALL. My impressions of IEM's have been very negative since that experience. This is why I'm afraid of sticking things in my ears (mentally speaking). I hope all the CIEM's by Heir are shallow because that would be nice.
I didn't say anything special to the audiologist, but he seemed to be a very experienced guy who has been doing those ear mold impressions for many many years.
He already told me about some new technology involving lasers, where you don't have to make a physical impression, just the 3d model of your inner ear as scanned by the laser will be sent to the manufacturer.:) The impression instructions on the heir audio web site mention that the impression must be taken past the second bend of the ear canal, which in my experience was pretty deep.;)
Can you go even deeper for the "musician's fit"?