The tour got cancelled, because Chris' child would have Swine flu.
Then... Chris had stated that Andy is a drug addict and did not want to work with him again.
Andy:
"Chris and I are like oil and water - we just don't mix. Chris is a jock and Im a rocker. Yes, I am a recovering drug addict and will always be - however, not a drug or powder user, haven't been for 10 years. And I can prove it".
Aha. Yeah. hmm.