Blew a few 30 amp fuses in my 72 f100 back in the late 70's early 80's, thought that was pretty cool at the time, likely on Zepellin, Rush, AC/DC, or the Doors, now I crave silence but the ring is there. It was weird, a couple monthes ago it went away almost completley for over a month, not sure why or what I ate or did different but it's back.