Imagine gliding through the world in a soothingly comfortable four-poster bed with a built-in stereo system so wonderful, that it practically makes your ears cry with pure pleasure. That’s what spending time in an Audi SQ7 is like — as long as you’re inside it, your body hums like a happy tuning fork as the 23-speaker/1,920-watt Bang & Olufsen stereo works its magic, and you’re in a state of total bliss. Interestingly, audio is also the thing we loved most about the new Aston Martin…

