When autotuning is used to the max in music production, the end result is something like this.
The incredibly popular "Glee" has dear old Gwynnie guest starring, and as is common practice with the show, everything soundwise is "cleaned" to perfection. At some parts, it is hard to tell whether it is a woman, man or a computer singing. I call it "the Glee treatment".
Here is her recent performance at the Country Music Awards, from which you can get a better glimpse of singing talents, if there is any. I would say average, with difficulties in the higher register(of voice). Nothing outstanding. But she is not known for any music talents, she is an Actress. I am very curious to see the upcoming "Country Strong", which is prepped as her second Oscar winning-movie. To me, she has never seemed as the rough woman from the South singing country. More like the cold and serene English aristocrat than red-blooded Martina McBride. But a good actor can convincingly portray anything. This will certainly be a test of talents, if anything.