Saw this very interesting guy playing a guitar while he si sua sing a hokkien song(he's not chinese) in Melaka, although I have no idea what he sang but do understand what song he's trying to sing , interesting guy.

Please do let me know where I need to improve.

Shutter Speed : 1/50sec
Lens Aperture : F13
ISO Speed : 800
Focal Length : 39mm
Exposure Compensation : 0 step

P.s. Did some adjustment to this photo using photoshop.