rock 'n roll band backstage. >> i love it when it happens. it's vortex of the -- this will be something i will never forget. the fact that my kids were in on this, beautiful. >> reporter: so he can be forgiven if he thinks that gives him the right to tell them what songs they should play. >> when you do "saddle" it should be like an opener. >> we can't figure it out. i like your opinion because he's got so many opinions. i like this. we've got the front of our set, done. ♪ ♪ back in the saddle again >> reporter: but the band listened to jay and opened with the song "back in the saddle" and gave him the night of his life. rock on, jay. aerosmith has been playing together for some four decades now, selling more than 150 million albums. they were inducted into the rock 'n roll hall of fame in 2001. ali velshi, cnn, new york. >> unreal. would you do that?