There are many of us that are old enough to have BIG stereo speakers left over from the golden age of "you can never have too many watts going in to your speakers". We've even got the big old amps. Banished from the modern household by newer, Hi-Tech devices, they have found refuge in hangars where they can blast the volume out to their hearts content. A simple patch cable from the iPhone/iPad, or other music device works just fine.
For tunes, you might try and find the very rare "Air Circus" by Barb McLeod. Barb is a unique individual who has a PhD in conversational Mayan, teaches aerobatics (she did a video on "The Long Spin" in a C-150 years ago), and does distinctly unique folksy music....
Paul F. Dye
Editor in Chief - KITPLANES Magazine
RV-8 - N188PD
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)