The world’s largest music companies have licensed their works to a music startup called Klay, which is building a streaming service that will allow users to remake songs using artificial intelligence tools.Klay is the first music AI service to reach a deal with all three major record labels, Universal Music Group NV, Sony Music and Warner Music Group Corp., according to people familiar with the deals. Klay plans to announce its agreements in the coming days, said the people, who asked not to be ...