LOS ANGELES, CA, 2016-Apr-09 — /EPR Retail News/ — Forever 21, one of the world’s most followed brands on social media, continues to expand its digital presence by unveiling #F21xMusic on the brand’s first ever dedicated Tumblr account: Forever21.Tumblr.com The Forever 21 Tumblr is a curated hub of discovery for music and fashion that integrates all content for…