▁do ▁until ▁Mr . ▁Natural . ▁For ▁that ▁album , ▁they ▁added ▁drum mer ▁Dennis ▁Bry on , ▁and ▁they ▁later ▁added ▁ex - St raw bs ▁keyboard ▁player ▁Blue ▁We aver , ▁comple ting ▁the ▁Be e ▁Ge es ▁band ▁that ▁last ed ▁through ▁the ▁late ▁' 7 0 s . ▁Maurice , ▁who ▁had ▁previously ▁performed ▁on ▁piano , ▁guitar , ▁har ps ich ord , ▁electric ▁piano , ▁organ , ▁m ell ot ron ▁and ▁bass ▁guitar , ▁as ▁well ▁as ▁mand olin ▁and ▁Mo og ▁synth esis er , ▁by ▁then ▁conf ined ▁himself ▁to ▁bass ▁on stage . ▁▁ 1 9 7 5 – 1 9 7 9 : ▁Turn ing ▁to ▁disco ▁ ▁Main ▁Cour se ▁and ▁Children ▁of ▁the ▁World ▁ ▁At ▁Eric ▁Cla pton ' s ▁suggestion , ▁the ▁brothers ▁moved ▁to ▁Miami , ▁Florida , ▁early ▁in ▁ 1 9 7 5 ▁to ▁record ▁at ▁C riteria ▁Studios . ▁After ▁starting ▁off ▁with ▁ball ads , ▁they ▁eventually ▁he eded ▁the ▁ur ging ▁of ▁M ardin ▁and ▁St ig wood , ▁and ▁craft ed ▁more ▁dance - orient ed ▁disco ▁songs , ▁including ▁their ▁second ▁US ▁No . ▁ 1 , ▁" J ive ▁T alk in ' ", ▁along ▁with ▁US ▁No . ▁ 7 ▁" N ights ▁on ▁Broadway ". ▁The ▁band ▁liked ▁the ▁resulting ▁new ▁sound . ▁This ▁time ▁the ▁public ▁agreed ▁by ▁sending ▁the ▁LP ▁Main ▁Cour se ▁up ▁the ▁charts . ▁This ▁album ▁included ▁the ▁first ▁Be e ▁Ge