Ash gave him a look and sat up, retrieving his guitar. He strummed it, checking it was in the right sort of key for this song. And then he sat on the bed, folded his legs under him and began to play. Haze Conflict, completely unaware of what his trainer was about to perform, curled up beside his leg and enjoyed the melody. And he began to sing. When he think the chorus...of course he'd look to Noctis and sing it with nothing but confidence, even waggling his eyebrows at him.

Fortunately for Noctis, he had to ad-lib in the middle of the second verse.
"You're the one who makes me come runnin'
You're the sun who makes me shine
When you're around, I can't remember
The rest of the lyrics-"