The Smithsonian Channel will debut a new documentary on rockabilly and country pioneer Wanda Jackson. The Sweet Lady With the Nasty Voice will premiere on May 18 (with repeats on May 19 and 31). The film screened at the SXSW festival and will show at the Nashville Film Festival taking place April 17-24. The documentary crew followed Jackson for two years. It includes interviews with Elvis Costello, Bruce Springsteen and Patti Sciafa, among others. It also includes historic clips of Jackson performing with Elvis Presley, Johnny Cash, Buddy Holly and Jerry Lee Lewis.