Sienna Rose is having a good month. Three of her dusky, jazz-infused soul songs are in Spotify's Viral Top 50. The most popular, a dreamy ballad called Into The Blue, has been played more than five million times. If she continues on this trajectory, Rose could become one of the year's hottest new stars. There's only one problem: All the signs indicate she's not real. Streaming service Deezer, which has developed tools to tackle AI music, told the BBC that "many of her albums and songs on the