Clay Walker has battled multpile sclerosis since 1996, and he is committed to doing everything he can to find a cure.  That's why he established his non-profit "Band Against M-S," which helps raise money for researching that elusive cure.  To date, BAMS has raised over two million dollars.  One of the biggest annual fundraisers is Clay's "Chords of Hope" event at Nashville's Wildhorse Saloon.  The forth annual evet brought Clay together with good buddies Craig Campbell and Greg Bates.