Jack eventually just let his head lay back against the other Jack's shoulder, closing his eyes and soaking in the music, feeling safe for the second time in a short period in a somewhat strangers arms. First Greg, now Jack. He was doing well here, really.
The concert ended, the encore over, Jack looked at the other man with a happy grin, "That was amazing, dear. Thank you so much. I've listened to that album Lord knows how many times. Never thought I'd see it done live."