Few bands from the 1970s have seen as much resurgence in popularity as Big Star.  Anchored by Alex Chilton and Jody Stephens, the Memphis-based power-pop group didn’t make much of a commercial splash during their original years together, but their cult following has grown over the years.  That’s thanks in no small part to a series of fine reissues by Omnivore Recordings.  In January, Omnivore will release Live On WLIR, a new, remastered version of Big Star’s legendary 1974 radio broadcast. The 15-track collection will be released on CD and 2-LP on…