There's nothing wrong with a good blend, even if you're a purist. Johnny Walker is the Jack Daniels of scotch, but unlike Jack, there are enough varieties that there is something for just about everyone you enjoy.
I don't think a minute is too long for an unbroken chain. As long as we know the parameters, it shouldn't be a big deal. As long as it doesn't interfere with a conversation chain, it shouldn't be a big deal.