In nearly two hours, Beyonce and her astounding cast of dancers, singers and musicians managed to put together an unparalleled collection of her biggest hits and deep cuts, combined with music from the “Dirty South” and many civil rights activists like Nina Simone. Served alongside was the visuals of historically black colleges and universities. One year later, as the second weekend of Coachella approaches, the memory of “Beychella” looms large. No star-studded appearances (maybe Kid-Cudi bringing out Kanye West) in this years festival line up …