It's easier to pick up the calls when you really focus on hearing your tail number. It will pop out of the radio clutter with practice.
When I was getting my BFR, I was flying four different rental Cherokee 140s, so I didn't have the luxury of concentrating on a sole number. Of course, it's right there on an instrument panel plaque, but now I'm in trusty 427DK all the time, so I really snap to attention when it's called. Those four different Pipers presented other challenges...different comms, audio panels, transponders (different models and locations) and worst of all, the PTT switches were all in slightly different places. My least favorite had the PTT on a Velcro strap around the yoke, and invariably it would slide around to some odd unreachable position when I needed to use it most.