i'm grateful. ♪ >> jon bon jovi headlined the night.ll missed it. for music fans, this moment between artist and audience is a kind of holy communion. ♪ shot through the heart and you're too vain you give love ♪ ♪ a bad name ♪ >> here we go. [ cheers ] >> last year, "love rocks" had to be held without an audience. tickets were sold out, but on show day, says co-producer greg williamson, the city suddenly went into lockdown. >> everything shut down out of nowhere. >> and you shut down. >> we shut down. >> the benefit concert was back this year with an audience of first responders and donors. >> first time out since before the pandemic started. >> reporter: >> another sign that things are opening up again. >> that makes me feel better. >> in rehearsals, the artists were anxious. >> i don't know if i know how to do it. >> gary clark jr. flew from austin, texas, for the gig. >> some being when the lights go down -- something about when the lights go down and people start making noise, it's like -- yeah, okay. all right. ♪ let's get after it