Beyonce has dropped a new song completely out of the blue.The 35-time Grammy Award-winning singer released the new track, titled Morning Dew (Donk), on the Fourth of July holiday weekend.A press release from her representatives has called the song a “direct nod to her loyal BeyHive to commemorate the upcoming epic celebration of B’Day”.Beyonce’s second album B’Day was released in September 2006, and will this year mark its 20th anniversary.Beyonce has dropped a surprise song (Matt Crossick/PA)PA WireMorning Dew (Donk) was reportedly initially set to be released as part of that 2006 LP.It was co-written by Beyonce, Pharrell Williams, The-Dream and Darius Dixon, and produced by Beyonce and Williams.The song was released alongside a lyric video that reuses two-decade-old footage shot by Cliff