-Any idea who did this?
-Not to sound like a broken record, Repeat himself?

but it was Davis Bloome.
Gather around, children, while we talk to you about the old days.

Way before there was iTunes, or CDs or DVDs or even cassette tapes that were played in the now-ancient Sony Walkman, there were records. They were made of vinyl and had a groove cut into them.

They were placed on a thing that went around and around, called a turntable, and you put was was called a needle in the grove at the start of the record. If there was a scratch in the record, sometimes the needle would jump back to where it had been a few moments before. When that happened, you'd hear that same bit of song repeated over and over and over, until you got up, picked up the needle, and put if further along the record. Can you imagine? There was no remote to do this. You had to get UP and go OVER to do this. Unthinkable by today's youth. We won't even talk about how we had to get up the change the channel on the TV so we could watch a different one of the FIVE channels available. That would read too much like a horror story.

So yes, it means to repeat himself.
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Even worse! When I started being a DJ in the 1980s, the turntables didn't start at the right speed (33 or 45 revolutions per minute) but actually had to build up speed. In 1987, Technics brought out the SL1200s, which did start at full speed, though I didn't get any till 1989 and retired in 1991 (I was 25 and out of touch). Kids these days don't even know their born!
I remember those days of glory: way back in my early childhood, we had such a player and scratchy disks to go with it. If you put a disk onto the turntable that is a little worse for wear and that has seen better days, all you get is constant jumping of the needle from groove to groove. The needle being stuck on the same groove and going over the same track over and over again is the order of the day with such bad disks. When this happens, you drag your buns over to the player and put things straight.

In point of fact, if you bring your ear close enough to the needle you can hear faint sounds of the record that is being played, coming from the contact between the needle and the surface of the disk (because it's the scratching of the needle over the surface that generates sounds, which are then go through the amplifier to the sound blasters)
Thanks, Barbara!
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Grammar Geekwatch a different one of the FIVE channels available.
Five? You had five channels?! Wow, I thought I was lucky when I could coax the TV set to display a snow and ghost ridden THIRD channel. Sheesh!