I know she can sing, so I think it must have been a nerves / technical issues thing.
...
On the other hand, can people stop using the ****ing ø for every o letter in their posts? It's really annoying and doesn't make any sense. It's a separate letter with its own sound in the Scandinavian alphabet, it's literally not interchangeable. I'm a Kesha fan and I don't put $ into every s letter in my posts. P!nk fans don't put the ! in every i. It's just stupid.