A convergence? From Tom Breihan:
The shift started a few years ago with female vocalists, as glassy cyborgs like Ciara came to supplant belters. But lately, that effect has bled over not only into male singers but into production techniques: T-Pain’s track for Flo-Rida’s "Low," for instance, boasts so many faux-epic synth-trills and jittery bass-farts that it wouldn’t have sounded out of place on a Ministry of Sound trance compilation in 1999.
Bass-farts?
The Dish 