Best-bets for March 22: Music giants collide
1) Music overload. For the first time this season, the new ratings giant (NBC’s “The Voice”) faces the original one (ABC’s “American Idol,” now on Sundays and Mondays). Both are 8-10 p.,m.; tonight, “Voice” closes its auditions and looks back at highlights; “Idol” is in Hollywood Week, with Ryan Seacrest (shown here) introducing duets. But for truly great singing, catch Cynthia Erivo as Aretha Franklin, in National Geographic’s “Genius.” Sunday’s openers reruns at 6:56 and 8:03, with new hours at 9 and 10; it continues through Wednesday. Read more…