▁is ▁not ▁filled ▁with ▁breath ▁from ▁the ▁player ' s ▁mouth , ▁but ▁instead ▁is ▁supplied ▁with ▁dry ▁air , ▁from ▁a ▁set ▁of ▁bell ows ▁stra pped ▁under ▁the ▁player ' s ▁right ▁arm . ▁ ▁This ▁keeps ▁the ▁re eds ▁d rier , ▁which ▁helps ▁keep ▁the ▁instrument ▁in ▁t une , ▁as ▁well ▁as ▁greatly ▁extending ▁the ▁life ▁of ▁a ▁re ed . ▁ ▁Border ▁pipe ▁re per toire ▁ ▁There ▁is ▁a ▁distinct ▁body ▁of ▁music ▁for ▁the ▁instrument ▁– ▁many ▁of ▁these ▁t unes ▁surv ived ▁in ▁the ▁fiddle ▁and ▁North umb rian ▁small pip es ▁re per toire ▁after ▁the ▁playing ▁of ▁Border ▁pip es ▁died ▁out ▁in ▁the ▁mid - 1 9 th ▁century . ▁O thers ▁surv ive ▁in ▁manuscript ▁sources ▁from ▁the ▁ 1 8 th ▁and ▁ 1 9 th ▁century . ▁ ▁S ources ▁ ▁Most ▁not ably , ▁the ▁William ▁D ixon ▁manuscript , ▁dated ▁ 1 7 3 3 , ▁from ▁St am ford ham ▁in ▁North umber land , ▁was ▁identified ▁as ▁Border ▁pipe ▁music ▁by ▁Matt ▁Seattle ▁in ▁ 1 9 9 5 , ▁and ▁published ▁by ▁him ▁with ▁extensive ▁notes . ▁ ▁The ▁book ▁contains ▁forty ▁t unes , ▁almost ▁all ▁with ▁extensive ▁variation ▁sets . ▁Some ▁of ▁these ▁are ▁limited ▁to ▁a ▁single ▁oct ave , ▁and ▁many ▁of ▁this ▁group ▁correspond ▁closely ▁to ▁t unes ▁for ▁North umb rian ▁small pip es ▁known ▁from ▁early ▁ 1 9 th - century ▁sources ▁– ▁" App