Which popstar will the decline capture next?
Lady Gaga was a force, now, well, not so much. However, she's still talented and a touring "agent".
Even Beyonce, the local queen, sells more than her

.
*Lady Gaga, in the jazz world, is a force still.
Which popstar will smell decline first?
P.S: Touring doesn't mean you're technically a force, one fan can purchase multiply tickets for a show, so influence due to "tour" is debatable.