Just don't let your thoughts wander too much. Stay present and focus on driving. A busy/distracted mind can make driving a bigger challenge than it has to be.
That aside, as long as the speakers can play your desired track (masked or silent) and as Jonathan said, the subs won't have brainwave tech in them, go for it.
That aside, as long as the speakers can play your desired track (masked or silent) and as Jonathan said, the subs won't have brainwave tech in them, go for it.
"When I let go of what I am, I become what I might be."
—Lao Tzu
"Unasked questions will not provide you with answers."
"When in doubt, do something. Do whatever you can and do it your way if you must."
—Me
—Lao Tzu
"Unasked questions will not provide you with answers."
"When in doubt, do something. Do whatever you can and do it your way if you must."
—Me
