'Samsung' labelled disks that are actually de-lamintaing with 'bubbles' of gas you can push around the recording surface -
That's frightening. Who can you trust these days? Going by John's post, a recommendation by folk that have researched it goes a long way.
I seem to have 50 Sony that were on special, and most of 50 of the one I used: Memorex. I feel sure that it was trying to fill it that was the problem.
I used a Kodak for the next go. Wasn't thinking much about a big name letting me down, but so far so good...refresh every five years max., would seem appropriate.