▁on ▁the ▁Top ▁ 2 0 ▁Con cert ▁T ours ▁list ▁from ▁Pol l star . ▁It ▁had ▁an ▁average ▁gross ▁of ▁$ 9 4 0 , 1 6 5 ▁per ▁city , ▁and ▁an ▁average ▁ticket ▁price ▁of ▁$ 8 4 . 1 9 ▁during ▁the ▁shows ▁in ▁North ▁America . ▁ ▁Gr ou pon ▁and ▁Tra vel zo o ▁offered ▁disc ount ed ▁tick ets ▁for ▁the ▁shows ▁in ▁London , ▁Manchester ▁and ▁B irmingham . ▁R ene ▁Fre ling ▁from ▁Tra vel zo o ▁explained ▁that ▁" prom ot ers ▁are ▁thinking , ▁instead ▁of ▁shows ▁being ▁ 9 0 % ▁sold ▁out , ▁they ' d ▁rather ▁have ▁it ▁full ▁and ▁promote ▁it ▁to ▁a ▁wider ▁audience ." ▁ 2 3 8 ▁tick ets ▁were ▁sold ▁through ▁Gr ou pon ▁within ▁minutes ▁of ▁the ▁offer , ▁and ▁ 5 , 0 0 0 ▁tick ets ▁were ▁sold ▁for ▁the ▁UK ▁shows ▁by ▁the ▁time ▁the ▁offer ▁exp ired . ▁The ▁move ▁divided ▁opinions ▁in ▁the ▁music ▁industry ▁of ▁the ▁United ▁Kingdom : ▁festival ▁organ izer ▁Mel vin ▁B enn ▁said ▁that ▁disc ount ed ▁tick ets ▁work ▁" part icular ly ▁well ▁for ▁an ▁awful ▁lot ▁of ▁concert s . ▁It ' s ▁definitely ▁emer ging . ▁In ▁t ough ▁economic ▁times ▁people ▁will ▁look ▁at ▁varying ▁ways ▁of ▁pr icing ▁their ▁tick ets ." ▁Independent ▁prom oter ▁John ▁Rost rum ▁called ▁it ▁" very ▁short - term " ▁and ▁" in cred ibly ▁dam aging ▁for ▁shows ▁because