TOPS AT ITUNES: Meek Mill’s Maybach Music Group/Warner Bros. album Dreams and Nightmares and PSY’s “Gangnam Style” are at #1 on iTunes list of best-selling albums and singles, respectively, this morning. The rapper is followed by Taylor Swift’s Red, Kendrick Lamar’s good kid, m.A.A.d city, Jason Aldean’s Night Train, Flyleaf’s New Horizons, the deluxe edition of Toby Keith’s Hope on the Rocks, Neil Young and Crazy Horse’s Psychedelic Pill, Mumford & Sons' deluxe Babel, Tech N9ne’s Boiling Point and Parkway Drive’s Atlas. PSY is followed by Ke$ha’s “Die Young,” Bruno Mars’ “Locked Out of Heaven,” Maroon 5’s “One More Night,” Taylor Swift’s “We Are Never Ever Getting Back Together,” Rihanna’s “Diamonds,” Swift’s “I Knew You Were Trouble,” fun.’s “Some Nights,” Flo Rida’s “I Cry” and Swift’s “Red,” giving her three in the Top 10. (10/30a)