If "American Idol" has taught us one thing, it's that American audiences are still perfectly content to swallow squeaky-clean, Pat Boone'd versions of somebody else's pop and rock hits. The most successful among the "Idol" crop break free from this danger-free covers game to release harmless pop hits of their own.

If "American Idol" has taught us one thing, it's that American audiences are still perfectly content to swallow squeaky-clean, Pat Boone'd versions of somebody else's pop and rock hits. The most successful among the "Idol" crop break free from this danger-free covers game to release harmless pop hits of their own.

Season 9 winner Lee DeWyze, who'll play The Basement on Sunday with Corey Crowder, is still attempting to make that leap, but if singles like the jaunty "Sweet Serendipity" fail to catch on, at least he's got his edge-free (and Edge-free) rendition of U2's "Beautiful Day" to fall back on.