PARIS A rising tide of artificial intelligence ( AI ) bands is ushering in a new era where work will be scarcer for musicians. Whether it's Velvet Sundown's 1970s-style rock or country music projects "Aventhis" and "The Devil Inside," bands whose members are pure AI creations are seeing more than a million plays on streaming giant Spotify. No major streaming service clearly labels tracks that come entirely from AI, except France's Deezer. Meanwhile, the producers of these songs tend to be