Was Lou Reed the First Out Rock Star?

Was Lou Reed the first Out rock star?
Soon after Lou Reed’s death at age 71 on Sunday, Rostam Batmanglij of Vampire Weekend tweeted that the legendary rock star was “maybe the first out songwriter,” an allusion to his purported bisexuality. During his lifetime, Reed was famous for his sybaritic pursuits and unorthodox lifestyle. But was he bisexual?