By the time Lynyrd Skynyrd played this sold-out show at San Francisco's Winterland ballroom on April 7th, 1975, they had become the unmistakable kings of Southern Rock. Spearheaded by charismatic frontman, Ronnie Van Zant, the group had taken southern boogie from the swamps and brought it to the masses. There is an enormous amount of energy and power in the multiple guitar mix of the band, and that is clearly apparent when they launch into solos on these songs. The group was coming off two hugel...