Popular culture references are ok if they are not too niche. Being experienced fed to know bowie albums, or any others, except perhaps classics like Sgt pepper, is not reasonable. Also, the mate etc. group could just as easily be third.

Damn autotext. Not "experienced fed" but "expected to".

Just found this- loved it. Straightforward looking enough but so well constructed it kept me hopping for the full time chasing the (right) answers around. I wouldn't call any of this niche, although nighteyes is usually bang on the money with advice and feedback