Watch Nelson and Haggard sing “Pancho and Lefty” below ... in 2004] When it comes to Outlaw and Alternative country music, few songwriters receive as much respect as Townes Van Zandt.

And Townes Van Zandt, the tormented Houston troubadour who died in 1997 after 52 years of hard living, blessed the music world with "Pancho and Lefty," an enigmatic ballad of love, betrayal ...