I would imagine that the organisers are there to attract a young audience with cash in their pocket, just as they did in your heyday. The older generation of the 70's would have tut tutted about the groups of that time.
I cannot imagine a large group of wrinkles with arthritic hips, perched on zimmer frames trying to look cool to the music of long ago. tic
Stacia, the smell of what passed for food in the '70s, the smell of Tartan bitter, the smell of weed, the smell of petunia oil the smell of tens of thousands of 3 day unwashed... I remember it all like it was yesterday, strangely remembering yesterday is harder the older you get...
"it was a festival featuring only real artistes and real music"
What do you think the older generation said about rock 'n roll, back in 1951, when Ike Turner and Jackie Brenston released 'Rocket 88' - the track that most rock historians say was the first rock 'n roll record?
They said much the same as you are saying about Rap music.
What you call real music was referred to as noisy, tuneless rubbish sixty years ago.