Dua Lipa says she's "horrified" by fans being dragged from their seats at her recent concert in Shanghai. Also today: AEG is ending its controversial "block booking" practice, Macca's back on top, Beasties respond to Eminem album cover, Dave Grohl performs Nirvana's "In Bloom" with Trombone Shorty, and Rihanna dangles a tantalizing new business idea. [Songs sampled: Jahzzar - Comedie (CC BY 4.0), BoxCat Games - Against The Wall (CC BY 3.0), Rihanna - Better Have My Money, Dua Lipa - New Rules, Paul McCartney and Stevie Wonder - Ebony and Ivory, Ozzy Osbourne - No More Tears, Trombone Shorty with Dave Grohl - In Bloom)