NEW YORK — The 50th birthday celebration of The Notorious B.I.G. is going to be a biggie. A tribute is set to take place for the late rap icon, also known as Biggie Smalls, on May 21 — which would’ve been the golden anniversary of the day he was born. The Empire State Building will change to red, with a crown spinning in its mast on Saturday for the “Hypnotized” lyricist, while Brooklyn’s Barclays Center will feature a video montage of him on the sprawling oculus display above the venue’s entrance. Also on May 21, New York City MTA will sell a special edition MetroCard featuring the artist — b…
