ki ▁was ▁replaced ▁on ▁drums ▁by ▁Bart osz ▁K ró lik owski ▁in ▁ 1 9 9 9 . ▁In ▁ 2 0 0 0 , ▁Len ny ▁Valent ino ▁under w ent ▁further ▁personnel ▁changes ▁and ▁added ▁all ▁three ▁members ▁of ▁Ś ci anka — Mac iej ▁C ie ś lak ▁( gu itar ), ▁Ark ady ▁K ow al czy k ▁( d rum s ), ▁and ▁J ace k ▁L ach ow icz ▁( key board ). ▁ ▁Their ▁first ▁and ▁only ▁album , ▁U w aga ! ▁Jed zie ▁tram w aj ▁( rough ly : ▁Warning ! ▁The ▁tram ▁is ▁coming ), ▁was ▁recorded ▁in ▁April ▁ 2 0 0 1 ▁and ▁produced ▁by ▁C ie ś lak . ▁The ▁album ▁was ▁released ▁ 1 2 ▁November ▁ 2 0 0 1 ▁on ▁S iss y ▁Records , ▁a ▁branch ▁of ▁B M G . ▁U w aga ! ▁Jed zie ▁tram w aj ▁received ▁mostly ▁positive ▁reviews , ▁including ▁an ▁MTV ▁Poland ▁award . ▁ ▁After ▁tour ing ▁Poland ▁in ▁support ▁of ▁their ▁album , ▁Len ny ▁Valent ino ▁dis band ed ▁in ▁December ▁ 2 0 0 1 ▁and ▁the ▁members ▁focused ▁on ▁other ▁projects . ▁Ro je k ▁continued ▁to ▁work ▁with ▁Mys lov itz , ▁Wal u ś ▁focused ▁on ▁Neg at yw ' s ▁debut ▁album ▁Pac z ata rez , ▁and ▁the ▁other ▁three ▁returned ▁to ▁Ś ci anka . ▁ ▁In ▁ 2 0 0 6 , ▁they ▁performed ▁at ▁Off