first lady are getting ready to welcome one of their favorite singers to the white house. part of a star-studded concert next week, a tribute to memphis soul music. justin timberlake will be there along with cyndi lauper. they ll be joined by sam moore. sam and dave and guitarist steve cropper and the legendary al green. he s seen here performing for a capital records concert. wow that voice. president obama, i don t know, he could be under some pressure, john, to step up on the stage. oh, i think he has to. he might be al green s number one fan. i so in love with you concert will be recorded and broadcast later this month on pbs. i think the president is going to have to sing. you think so? it s one thing to sing al green when he s not there, it s another to do it right next to him. he s going to have to step