anyways younger groups covering astro's songs shows they've made it and are doing well. we love to see it.
Loona- All Night cover
24K imchan- ASTRO medley
Seonho dancing Hide and Seek with Sanha
Oneus Keonhee, ASTRO - Should've held on /Again
yoo geonmin(from pdx101) - moonwalk.
this doesn't really count haha but chungha singing a bit of blueflame
Onlyoneof Mill and Yoojung dancing CHEOK cheok with MJ
24K's Imchan playing Astro's Knock on piano
Imchan again dancing Knock