Watch the entire interview here: http://www.zocalopublicsquare.org/2015/02/14/necessity-is-the-source-of-eddie-van-halens-inventions/events/the-takeaway/ At a What It Means to Be American event at the Smithsonian's National Museum of American History, legendary rocker Eddie Van Halen, in an interview with music journalist Denise Quan, explains how he came up with his unique, two-handed style of playing the guitar frets--then performs some of his signature licks.