ands ▁and ▁managed ▁to ▁out pe ak ▁its ▁prede cess or , ▁reaching ▁number ▁six ▁on ▁the ▁UK ▁Singles ▁Chart . ▁ ▁" Med d le ", ▁the ▁album ' s ▁sixth ▁track , ▁was ▁released ▁as ▁a ▁limited - ed ition ▁single ▁in ▁August ▁ 2 0 0 8 . ▁Descri bed ▁by ▁The ▁Times ▁as ▁a ▁" bar n st orm er " ▁and ▁a ▁" dis co / d rum ▁and ▁bass ▁hy brid ", ▁it ▁reached ▁number ▁ 9 7 ▁on ▁the ▁UK ▁chart . ▁" G host ", ▁a ▁song ▁about ▁being ▁ignored ▁by ▁a ▁loved ▁one , ▁received ▁mixed ▁reviews ▁from ▁critics . ▁In ▁a ▁review ▁for ▁The ▁Guardian , ▁Alex is ▁Pet rid is ▁described ▁it ▁as ▁a ▁" cl unk y ▁attempt ▁to ▁bl end ▁electron ics ▁with ▁Bre cht - and - We ill ▁o omp ah ". ▁The ▁song ▁" Math emat ics " ▁is ▁inspired ▁by ▁Syl via ▁Pl ath ' s ▁poem ▁Love ▁Is ▁a ▁Par alla x . ▁In ▁the ▁song , ▁Little ▁Bo ots ▁uses ▁mathematics ▁as ▁a ▁met ap hor ▁for ▁love . ▁The ▁nin th ▁track , ▁" Sym met ry ", ▁a ▁du et ▁with ▁The ▁Human ▁League ▁singer ▁Philip ▁O ake y , ▁was ▁a ▁" d ream " ▁for ▁Little ▁Bo ots . ▁A ▁fan ▁of ▁the ▁band , ▁she ▁was ▁surprised ▁when ▁O ake y ▁agreed ▁to ▁provide ▁vocals ▁for ▁the ▁track . ▁The ▁synth ▁ball ads ▁" T une ▁In to ▁My