Pop band Chicago will release their 30th album, Chicago XXX, on March 21. The disc was produced by Rascal Flatts' Jay DeMarcus, who performs on several tracks. DeMarcus also recruited bandmates Gary LeVox and Joe Don Rooney to appear on the album. Chicago XXX will be released jointly by Rhino Records and Warner Bros. Records. The first single, "Feel," will be released Feb. 14.