Members of the Allman Brothers will join the Grateful Dead at “Change Rocks: A Concert to Benefit Obama” on October 13th at Penn State University. Tickets go on sale today at Ticketmaster and Obama’s website.Wilco will reportedly enter the studio in October to begin recording the follow-up to 2007’s Sky Blue Sky. The new album is expected out in Spring 2009.Rocklahoma organizers have announced the dates for their 2009 festival: July 9-12. Artists will be announced in the coming months.Willie Nelson and Farm Aid announced that they will donate funds to farmers who were affected by Hurricanes Gustav and Ike. The organization would provide $7,500 to four charities to disperse among the hardest-hit farming families.