[BrandonMarc]

And thanks to autotune, the baseline is lower than you'd think.

These documentary clips about the "pop star formula" (boobs + hair + autotune + writing talent from elsewhere) are rather instructive:

https://www.youtube.com/watch?v=soNLWoSMy1k

https://www.youtube.com/watch?v=Z9tpOvYDqyo

(the 2nd clip about 1:30 applies the formula, humorously)