learn, bent press, i can't explain it but it will build ur upper back, shoulder and lat like crazy. believe it or not u can actually work your lat with a pressing motion.
learn, renegade row, its more functional than bent over rows, awesome ab exercise along with a lesson in body tension,
one arm or suitcase deadlift, all these can be found on google.
remember that your back is one of the most powerful parts of your body, if you want a big strong back your gonna need to do something heavy, heavy one arm deadlifts and tactical chin ups will build a back like a bear