Will Smith is kicking off the new year in a legal tussle with his former violinist, Brian King Joseph. In his complaint, the professional musician accuses Smith of sexual harassment and retaliation. Smith's lawyers have reportedly already responded to the allegations.RELATED: No Chill? Will Smith Seemingly Addresses Oscars Slap AGAIN In New Freestyle (LISTEN)Why Is Brian King Joseph Suing Will Smith?According to PEOPLE, Joseph filed his complaint in the Superior Court of California on Dec. 30. He also named the actor's company, Treyball Studios Management Inc., in the lawsuit.