Few names in American music carry the same cultural cache as Motown Records. With a legacy stretching all the way back to the formation of Tamla in 1959, and involving innumerable legendary names from the realm of soul and R&B, Berry Gordy’s label was once the most powerful on Earth. So, what the hell happened? Motown Records still exists in the present day, although it is now under the ownership of Universal Music Group, having changed hands o…