▁time ▁that ▁f ang xi ang ▁shown ▁up ▁in ▁Li ang ▁Period ▁in ▁the ▁Northern ▁and ▁Southern ▁Period ▁( 5 0 2 - 5 5 7 ). ▁During ▁S ui ▁and ▁Tang ▁dynast ies ▁( 5 8 1 - 8 4 0 ), ▁the ▁instrument ▁got ▁developed ▁and ▁became ▁popular ▁in ▁the ▁court . ▁ ▁There ▁were ▁many ▁famous ▁f ang xi ang ▁perform ers ▁at ▁that ▁time , ▁including ▁X ian qi ▁Ma ▁and ▁B ing ▁Wu . ▁Also ▁at ▁that ▁time , ▁there ▁were ▁many ▁po ets ▁making ▁ancient ▁Chinese ▁po ems ▁to ▁accomp any ▁with ▁the ▁f ang xi ang ▁performance . ▁ ▁Music ▁contribution ▁ ▁In ▁the ▁ 1 9 8 0 s , ▁the ▁f ang xi ang ▁was ▁expanded ▁to ▁include ▁ 5 1 ▁sound boards . ▁ ▁The ▁sound boards ▁were ▁arranged ▁based ▁on ▁twelve - t one ▁equal ▁temper ament ▁and ▁double ▁scale ▁arrangement . ▁ ▁On ▁the ▁top ▁l ane , ▁it ▁is ▁the ▁C # ▁scale , ▁and ▁on ▁the ▁bottom ▁l ane ▁it ▁is ▁the ▁C ▁major ▁scale ▁r anging ▁from ▁f ▁to ▁C 4 . ▁The ▁sh elf ▁used ▁for ▁holding ▁those ▁sound boards ▁can ▁rise ▁up ▁and ▁fall ▁down ▁for ▁the ▁convenience ▁of ▁performing . ▁The ▁new ▁design ▁of ▁the ▁f ang xi ang ▁sounds ▁clear ▁and ▁mel od ious , ▁and ▁it ▁is ▁really ▁good ▁for ▁accompan iments ▁in ▁the ▁Chinese ▁traditional ▁or chestra ▁music . ▁ ▁For ▁example , ▁in ▁the ▁music ▁" The ▁Great ▁Wall ▁C app