Pop n’ Roll band The Slightlys, has a penchant for insistent, hook driven, unapologetically catchy songs. Led by songwriter and frontman Finneas O’Connell (who found success as an actor with reoccurring roles on Glee and Modern Family and in movies such as Bad Teacher), the band consists of four teenagers born and raised in Los Angeles California.  The group met each other at a battle of…