Re: Why both 33 and 45 ?
"Madam X" or the 45 as we call it now was RCA's way of reducing the size of the record down. They worked on it in secret hence the name and if anyone asked what they were doing would say "home audio tape" which in 1949 everyone thought impossible.
Enter the 1950 war! Vinyl was a essential war product so the smaller 45 used less than the 33 12inch.
The Jukebox was stage three. They don't play 33 LP.
You could get 100 records on a Jukebox, so the top 100 was born!
Stage four was pop music and the teenager. The Dansette record player in the bedroom playing 45's.
Disk Jockeys also liked them, you didn't get a back ache lugging 45's around, unlike 78's.
But one American DJ did like the music on 78's and called them "oldies but goodies".
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