▁cre ative , ▁driven ▁and ▁multi - tal ented ▁artist . ▁During ▁periods ▁away ▁from ▁Haw kw ind ▁duties , ▁he ▁worked ▁on ▁his ▁solo ▁career ; ▁his ▁cre ative ▁output ▁including ▁albums , ▁stage ▁plays , ▁poetry , ▁and ▁a ▁novel . ▁His ▁first ▁solo ▁album , ▁Captain ▁Lock he ed ▁and ▁the ▁Star fig h ters , ▁was ▁released ▁in ▁ 1 9 7 4 . ▁The ▁record ▁is ▁a ▁concept ▁album ; ▁an ▁am alg am ▁of ▁music ▁and ▁theatre ▁focused ▁around ▁the ▁Lock he ed ▁b ri ber y ▁sc and als . ▁In ▁ 1 9 7 5 ▁Cal vert ▁won ▁the ▁Capital ▁Radio ▁poetry ▁competition ▁with ▁his ▁poem ▁" Circ le ▁Line ". ▁In ▁ 1 9 7 5 , ▁music ian ▁and ▁producer ▁Brian ▁En o ▁produced ▁and ▁played ▁on ▁Cal vert ' s ▁second ▁solo ▁album , ▁L ucky ▁Le if ▁and ▁the ▁Long ships , ▁a ▁concept ▁album ▁which ▁looked ▁at ▁the ▁history ▁of ▁the ▁US ▁and ▁the ▁Vik ings , ▁who ▁crossed ▁the ▁Atlantic ▁to ▁reach ▁ ▁America ▁before ▁Columb us . ▁ ▁As ▁well ▁as ▁Michael ▁Mo or cock ▁and ▁Brian ▁En o , ▁Cal vert ' s ▁collabor ators ▁included ▁Arthur ▁Brown , ▁Steve ▁Per egr in ▁To ok , ▁Jim ▁Cap ald i , ▁Steve ▁P ond , ▁Inner ▁City ▁Unit , ▁Viv ian ▁St ans hall , ▁Ne kt ar , ▁John ▁Gre aves , ▁Ad rian ▁Wagner , ▁Am on ▁D ü ül ▁II ▁and , ▁post hum