Anyhow, I don't know if straight appeal says that much. Cher & Madonna have had way more longevity than any other female in the industry and their music is uber gay; Britney and Gaga were at their peak the only pop girls who were truly global and their music is super homo as well.
Top Grossing Tours:
1. U2
2. The Rolling Stones
3. Roger Waters (Pink Floyd)
4. AC/DC 5. Madonna
6. U2
7. The Police
8. Bruce Springsteen 9. Cirque du Soleil
10. The Rolling Stones
Only 2 of the top 10! Gays cannot compete with str8s!
Pop radio here in Philadelphia, PA seems to be obsessed with ****** male-fronted pop rock bands with annoying voices Maroon 5, OneRepublic, that "Classic" song", etc
(even though it's completely true)
Maroon 5, OneRepublic, that "Classic" song", etc 
But she LOVES Government Hooker 
.