ATLANTA -- Atlanta rapper Young Thug said an apartment concierge let an unknown person take his Louis Vuitton bag holding about 200 unreleased songs and more than $100,000 worth of jewelry and cash.The performer's allegations are in a lawsuit against the company that manages the apartment complex where he lived and its concierge company, The Atlanta Journal-Constitution reported.The newspaper said neither JLB Peachtree nor concierge company Pegasus Residential has answered requests for comment