Mark Mothersbaugh wears many hats: He’s a prolific composer for film and TV, including the animated Nickelodeon juggernaut “Rugrats”; he’s scored four Wes Anderson films and Marvel’s ...

MrBeast, Marques Brownlee and Mark Rober are among the YouTube stars who will test the tool, after CAA signed on last year. By Alex Weprin Media & Business Writer A number of major YouTube stars ...