hello, I'm trying to tune my guitar up for the song hide by creed.
my problem is that my guitar wont stay in tune when it's tuned up.
(F A# F A# D F). this is my guitar http://www.cort.co.kr/english/products/common/view.asp?product_id=123.
i have standard size strings (when i went to the guitar shop i said standard size strings have no clue what size they are).
could anyone help me fix this ?