▁c ello , ▁the ▁E UB ▁has ▁been ▁taken ▁up ▁by ▁a ▁wider ▁range ▁of ▁players , ▁perhaps ▁because ▁a ▁traditional ▁u pr ight ▁bass ' s ▁size ▁and ▁weight ▁makes ▁it ▁challeng ing ▁to ▁transport ▁when ▁compared ▁to ▁smaller ▁instruments ▁in ▁the ▁family . ▁ ▁Description ▁ ▁Sc ale ▁length ▁and ▁tun ing ▁ ▁The ▁scale ▁length ▁of ▁E UB s ▁var ies : ▁some ▁scales ▁are ▁ 4 2 ", ▁similar ▁to ▁most ▁double ▁bass es , ▁whilst ▁other ▁models ▁have ▁scale ▁lengths ▁of ▁only ▁ 3 0 " ▁like ▁a ▁short ▁scale ▁bass ▁guitar . ▁The ▁shorter ▁scale ▁can ▁make ▁it ▁easier ▁for ▁bass ▁guitar ists ▁to ▁convert ▁to ▁the ▁E UB . ▁Some ▁scales ▁lie ▁between ▁these ▁two ▁extrem es , ▁for ▁example ▁ 3 4 ", ▁like ▁a ▁long ▁scale ▁bass ▁guitar . ▁The ▁finger board ▁extends ▁over ▁two ▁oct aves ▁and ▁usually ▁has ▁side ▁d ots ▁for ▁the ▁players ▁reference . ▁Reg ard less ▁of ▁scale ▁length , ▁the ▁strings ▁are ▁usually ▁tun ed ▁to ▁E 1 , ▁A 1 , ▁D 2 , ▁G 2 ▁( see ▁Scient ific ▁pitch ▁notation ) ▁at ▁the ▁same ▁pitch ▁as ▁the ▁double ▁bass ▁or ▁bass ▁guitar . ▁ ▁A ids ▁in ▁playing ▁ ▁Double ▁bass ▁players ▁use ▁features ▁of ▁the ▁instrument ▁such ▁as ▁the ▁neck ▁he el ▁and ▁edge ▁of ▁the ▁upper ▁bout ▁as ▁tact ile ▁position al ▁references . ▁ ▁The ▁rear ▁of ▁the ▁body ▁of ▁an ▁u pr ight ▁bass ▁is ▁usually ▁b rac ed ▁against ▁the