i want to thank jessica chastain, justin moore, willie nelson, i apologize to matt damon, we ran out of time for him. "nightline" is next. here with "yesterday's song" from the cma theater in nashville via the power of hologram, hunter hayes! ♪ na na na na na na na na na na na help me out everybody! na na na na na ♪ ♪ well i used to sing it and i used to crank it with the windows down i used to love it ♪ ♪ oh but i'm over it man i'm over it now ♪ ♪ i used to leave it playin on repeat i spun that record til it turned on me ♪ ♪ but the dj knows exactly what i need i need an out with the old in with a new beat ♪ ♪ you were the rooftop at the top of my lungs blowin' the speakers in the back of my trunk ♪ ♪ and you had your chance then yeah but i'm movin on ♪ ♪ and now you're just yesterday's song you're yesterday's song ♪ ♪ the soundtrack every night in my bed you were the woo-hoo gettin' stuck in my head ♪ ♪ now you're just an echo when the feeling is gone baby now you're just ♪ ♪ yesterday's song you're yesterday's song ♪ ♪ we had a moment