Through the glitter and the grunge, from The Monkees to Coldplay, Rodney Bingenheimer–a.k.a. Rodney on the ROQ–has reigned over the Los Angeles music scene for over two decades. A constantly evolving fixture as rock fan, journalist, promoter, club owner and radio DJ on KROQ, Bingenheimer has helped advance every adventurous rock mutation–California pop, glam, punk, goth, new…