Anybody who says “no man is an island” clearly hasn’t seen the family dynamics of the Tony award-winning musical, “Next to Normal.”. Family dynamics are only one of the issues the musical tackles, presenting a challenge for creative director Stephanie Lynge when the Hippodrome Theatre, located at Southeast Second Place, added the production to its 2024 lineup. Premiering Friday, “Next to Normal” will be shown through Feb. 25.