Or... they might be having trouble sourcing the steel, so they've had to change in the past or are worried they might have to change in the future to...
They pulled the curtain after Paul Butterfield while they changed the setup for Santana. Richie Havens came out in front of the curtain with a chair...
My vinyl got used at too many drunken parties to have survived with any quality left in them. I threw out a stack ,5'-6' high, 15 years ago. I still...