Alan Jackson's new single "The Older I Get" is the sort of lyrical masterpiece a young artist dreams of. It's a bittersweet ballad that found the perfect voice for all the wisdom, good advice and adages the writers had to offer.
Rock, R&B and pop acts have put a spin on the most timeless Glen Campbell songs. Covers of his hits come from legends like Aretha Franklin and modern acts like Radiohead. Here are the five most unexpected versions.