▁found ing ▁drum mer ▁John ▁Hart man ▁and ▁H oss ack ▁together , ▁the ▁Do ob ies ▁decided ▁that ▁having ▁two ▁drum mers ▁would ▁be ef ▁up ▁the ▁rh ythm ▁section ▁and ▁so ▁adopted ▁the ▁" du al ▁drum mers " ▁sound ▁pione ered ▁by ▁bands ▁such ▁as ▁the ▁Gr ateful ▁Dead ▁and ▁All man ▁Brothers ▁Band . ▁H oss ack ▁played ▁alongside ▁Hart man ▁on ▁the ▁band ' s ▁break through ▁albums ▁Toul ouse ▁Street ▁in ▁ 1 9 7 2 , ▁The ▁Captain ▁and ▁Me ▁in ▁ 1 9 7 3 ▁and ▁What ▁W ere ▁Once ▁V ices ▁are ▁Now ▁Hab its ▁in ▁ 1 9 7 4 , ▁which ▁spawn ed ▁the ▁band ' s ▁first ▁# 1 ▁hit , ▁" Black ▁Water ". ▁ ▁After ▁a ▁gru eling ▁ten - month ▁tour ▁in ▁ 1 9 7 3 , ▁H oss ack ▁left ▁the ▁Do ob ies . ▁He ▁went ▁on ▁to ▁join ▁Bobby ▁W inkel man ' s ▁band ▁Bon ar oo , ▁which ▁released ▁one ▁album ▁then ▁dis band ed ▁shortly ▁afterwards . ▁In ▁ 1 9 7 6 , ▁he ▁had ▁a ▁brief ▁st int ▁with ▁a ▁band ▁called ▁D F K ▁( or ▁the ▁D ude k ▁Finn igan ▁Kru eg er ▁Band ), ▁with ▁Les ▁D ude k , ▁Mike ▁Finn igan ▁and ▁Jim ▁Kru eg er . ▁In ▁ 1 9 7 7 , ▁H oss ack ▁became ▁a ▁partner ▁in ▁Ch ate au ▁Record ers ▁studio ▁in ▁North ▁Hollywood . ▁An ▁av