walls fourth studio album south_korea based girl group released october president served executive producer album marked group release member group member left group august promote album appeared performed music programs including music core group embarked concert tour dimension docking station visited south_korea japan january february title track walls released single conjunction release album record musical styles diverse incorporating group signature electropop sound elements genres including house garage album received favorable reviews music critics noted members opportunity showcase vocal abilities following departure release peaked atop south_korea sold physical copies country january addition walls topped charted number thirty japanese oricon albums chart single walls peaked numbers digital chart background south_korea based girl group known member girl group original lineup consisting members amber victoria group release member group red light released july promotion red light member participate live performances suffering continual negative comments false rumors according group parent company official statement july promotional activities involved members took career hiatus august announced officially withdrawn group focus acting career continue promote member group release promotion announced working forthcoming studio album september group traveled film music video album titled walls released digitally worldwide october south_korea album distributed digitally physically music video title track walls released simultaneously song impacted pop connection radio october following release album appeared performed music programs televised appearance july group performed walls diamond group subsequently appeared music core following days respectively promote album embarked concert tour dimension docking station concert tour debut tour kicked seoul south_korea olympic park january included shows cities japan tokyo osaka tour lasted february musical styles album words pitchfork_media keeps signature electropop styles group cultivated previous albums red light billboard noted emphasis house dance genres album opening track walls described tropical house song synthesizers hooks star characterized update garage spin billboard detailed having deep house sound song number mixes industrial beats pop sounds draws influences 1980s funk 1990s disco rude love described piano house song dance fusion diamond electropop song traveler features retro styled melodies smooth rap verses track synthesizers latin music styles cash song incorporates elements american electropop album closer track initially written canadian singer recording sessions studio album emotion inclusion withdrawn rights later purchased critical reception walls subject favorable reviews music critics billboard shared despite fact album arguably worse previous albums red light allowed members showcase vocal abilities following departure praised rarity pop finding right appreciated house dance production benjamin subsequently named second best pop album writing known crafting best length pop albums long awaited walls comeback behalf pitchfork_media labeled record superficial rebirth following lineup change commented members chance express talents particularly amber alto harmonies rude love reviewing album spin disliked songs cash nonetheless labeled minor complimented walls featuring sophisticated innovative musical styles signal surprise second life world greatest living pop group echoing viewpoint star impressed inclusion derivative tracks cash expressed admiration solid edgy album cohesive sound polished beats commercial performance walls commercial success south_korea charted japan united_states debuted atop south_korea chart issue dated october fourth best selling physical album october south_korea sales figures standing copies album additionally eighteenth highest selling album november units sold overall ranked number thirty year end album chart accumulated sales copies walls debuted number thirty japan november peaked number billboard world albums chart november second number chart following pink tape walls group best charting album albums_chart charted number seven single walls debuted number south_korea week october sixth best selling single october digital units sold twelfth best selling single november digital units sold south_korea track debuted number highest charting song chart track listing chart performance release history
4 Walls