According to What A Pair!, Marg will be performing for this year’s concert. The What A Pair! 6 Los Angeles concert is on June 8, 2008, at the Orpheum Theater in L.A.. The beneficiary of this year is the John Wayne Cancer Institute. This will be Marg’s third What A Pair! performance. She was paired up with her CSI co-star Jorja Fox in 2006 and with blues singer Diana Harris in 2007. Other performers of this year’s event include Joely Fisher, Lauren Graham, Sharon Lawrence, Lea Thompson, etc.. You can go here for the performers list.