Culiacan, Sinaloa.Mexico.July 5, 2008..Musicians who play narco corridos, or drug ballads, wait on the street at night in hopes of being picked up to play at private parties. Work has become more difficult since the recent spike in violence. Fewer people hold parties. From January 1 to mid-July 2008 there have been 535 drug related killings in Sinolao, many of them were police officers..