>> sam moore of sam and dave was there to sing his anthem soul man. justin timberlake sang dock of the bay with guitarist steve cropper who co-wrote the classic. >> can we just listen in? >> you have money in your wallet? mavis staples performed i'll take you there. here's one presidential favorite al green was supposed to perform but had to cancel because of a back injury. coming up later this morning on "starting point" we're going to hear all about last night from music director and legendary memphis soul keyboardist booker t. >> cool. maybe we'll find out if the president sang a little bit. although i would imagine we have a little bit of that. that's better than winning $40,000? finding out you've actually a heck of a lot more. you will be dancing like this woman if you did. we'll be right back. [ driver ] today, my ambulance knew all about a bike accident, just by talking to a helmet. it grabbed the patient's record before we even picked him up. it found out the doctor we needed was at st. anne's.