On Sept. 16, 2019, Pro Arte Quartet, one of the world’s most distinguished string quartets, kicks off the first featured event of the 2019-2020 6:30 Concert Series. The 6:30 Concert Series at the Weidner Center is an exploration of music featuring composers, performers and special guests. All performances start at 6:30 p.m. and last between 60 to 90 minutes. Events are free (except the December swing concert) and are open to public. See more via 6:30 Concert Series Returns Sept. 16 With Pro Arte Quartet, Broadway World.