Middle Ground Meaning

(photography) the middle distance

Example:   You need to find the middle ground between the two extremes.
2012 June 26, Genevieve Koski, “Music: Reviews: Justin Bieber: Believe”[1], The Onion AV Club:
  But musical ancestry aside, the influence to which Bieber is most beholden is the current trends in pop music, which means Believe is loaded up with EDM accouterments, seeking a comfortable middle ground where Bieber’s impressively refined pop-R&B croon can rub up on techno blasts and garish dubstep drops (and occasionally grind on some AutoTune, not necessarily because it needs it, but because a certain amount of robo-voice is expected these days).