Sgt. Ericka Escalante belts out the vocals to "Material Girl" during a performance for members of the 401st Army Field Support Brigade, Oct. 26, 2008, at Camp Arifjan Kuwait. Escalante and (L-R) Spc. Matt Smith, Sgt. 1st Class Stephen Spohn and Staff Sgt. Jeff Endly, along with other members of the U.S. Army Materiel Command's rock band "Raw Materiel" are in Southwest Asia for a series of performances for Soldiers, DoD civilians and defense contractors.