Is it possible to/can i..?

audition for korean entertainment anytime i want to or do i have to wait until there's open auditions ?? btw, i'm planing to audition for yg entertainment, cube entertainmet, and maybe gp entertainment(? i think tht's what it's called, they made the group gp basic). but what's the new address for yge, and wht's the address for cube entertainment, and gp entertainment ?? and what does cube and gpe look for in a person/what do they look for in tje person tk be able to p all rounds?? what are rhe average years for a person to be in training ?? well; thanks..!!!!!!!!!