Ah, Tomi - I can tell that dancing a waltz with you would be sheer delight!
The hustle came in vogue around 1975 in the disco era - I was 15 then. Believe me when I tell you, you ain't missin' a thing by not knowing it, ha ha. :)
Oh, yes, earphones are great. Used to love to strap them on and walk the couple of miles to the beach at dusk - talk about being in one's own world. That was back in my healthier days. But, progress is being made - maybe just another couple of months before I am energized enough to do that again.