this book brought national attention to the plight and problems caused by the pesticide d.d.t., which, kicked off the modern environmental movement, which mrs. johnson, during her time in the white house and afterwards, had championed this movement when she promoted programs like highway beautification. she started the lady bird johnson wildfire center here in austin. and other environmental type programs. >> ladies and gentlemen, the beatles! [screaming] ♪ oh, yeah i tell you something i think you'll understand when i say that something i want to hold your hand ♪ >> music was a very large part of the 1960's. a lot of 1960's music is still being played on modern radio. in a partnership with the grammy museum, we have developed a sound track for the decade that we highlight within the exhibit. the grammy museum put together a panel of musical experts to come up with the most influential songs of the 1960's , and the l.b.j. library then posted those songs on our website and allowed the public to vote on which were the most popular songs. bob dylan, "blowing in the wind" is occupying the