Hey guys I just got an RG 7321 ibanez of ebay.the guitar has 10 ernie ball strings and is in standar 7string tuning(in B).I want to tune it to A# by myself.Can any one help me how to do it?It doesnt have a floyd of course.Also which is the best cauge of strings to wear for this tuning.I am really into D adario and ernie ball strings.Thanks for you help guys