The LA Weekly Detour Music Festival was a music festival that was held every October in Los Angeles, California. The entire block surrounding Los Angeles City Hall was closed off and three stages were erected for the festival, which lasted from noon to midnight on the day it was held. It was notable for attracting many big-name acts despite its status as a relatively young festival. The festival had been held every October since 2006. The website underwent a large change in July 2008 when the lineup for the third festival was announced. New for the 2008 festival was the BYOB (Bring Your Own Band) Battle of the Bands competition, which features online voting to pick an unsigned artist to play the festival in 2008. On August 18, 2009, LA Weekly announced via their website that the festival w