sia, old dominion and can't wait for these two -- >> this is sting. >> this is shaggy. >> let's do inoe armstrong, bebe rexha, skip marley and h.e.r. ♪ we got a big love and we go bigger with john legend, megan thee stallion, black eyed peas and special guests. prepare yourself -- ♪ we belong together >> reporter: -- the one and only mariah carey. rock out all summer long with them and more. the "gma" summer concert series sponsored by caesars rewards. ♪ too deep ♪ we belong together >> i wish i was together with you guys. mariah carey, what a summer it's going to be. >> whoo! >> brought a smile to my face. >> fantastic lineup. >> incredible lineup. >> yeah. >> pandemic cannot stop us. [ laughter ] >> you said that with such >> i did. >>> so let's move onto our "gma" cover story. it's on the future of flying.thi big changes to build passenger confidence and safety during this pandemic, and our transportation correspondent gio benitez got a firsthand look at what one major airline is doing. good morning, gio. >> reporter: hey, george, good morning to you. we're here on the ramp in atla