Specific album won't sync

I'm having sync issues with my iPhone 5 (with iTunes 11 on Windows 8). I bought a new album (Led Zeppelin's CELEBRATION DAY, if you're keeping score at home) but if refuses to sync. I've put it in a a regular playlist, smart playlist and checked it in the ALBUM sync list...but no dice. The name of playlist appears on the my phone, but it's empty.

I bought the tracks via Amazon...so I uploaded them to iTunes match, deleted my local copies, then redownloaded them via iTunes. Still nada.

Everything else syncs fine. And I can play the songs fine in iTunes.

What gives?