OK, so vocally, this wasn't the worst performance of the season. Not by a long shot. However, it was the worst mutilation of a classic song I've ever seen. To turn a classic Beatles pop song into hillbilly country ditty is an abomination. I've never been as visibly angry and offended during American Idol as I was after Cook performed "Eight Days a Week." Whether it was the performance of the season or not is arguable. But, it was far and away my least favorite performance of the season.
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