▁He ▁studied ▁piano ▁at ▁the ▁San ▁Francisco ▁Conserv atory . ▁From ▁there ▁he ▁moved ▁to ▁the ▁Es alen ▁Institute ▁at ▁Big ▁Sur ▁where ▁he ▁worked ▁for ▁ten ▁years ▁as ▁a ▁teacher ▁and ▁music ian . ▁There ▁he ▁started ▁purs uing ▁music ▁as ▁a ▁ther apy , ▁mixing ▁world ▁rh yth ms ▁and ▁western ▁music . ▁ ▁In ▁ 1 9 8 8 ▁he ▁released ▁' Music ▁To ▁Dis app ear ▁In ' ▁which ▁sold ▁over ▁ 5 0 0 , 0 0 0 ▁copies . ▁ ▁In ▁ 1 9 9 0 , ▁Rap ha el ▁moved ▁to ▁Mau i , ▁Hawai i , ▁and ▁married ▁Swiss - born ▁psych other ap ist ▁K ut ira ▁Dec ost erd . ▁They ▁founded ▁the ▁K ah ua ▁Hawai ian ▁Institute , ▁where ▁they ▁perform ▁mus ically ▁and ▁teach ▁Ocean ic ▁T ant ra . ▁ ▁In ▁ 1 9 9 2 , ▁he ▁founded ▁K ah ua ▁Records , ▁the ▁label ▁of ▁his ▁latest ▁works . ▁ ▁Rap ha el ' s ▁work ▁are ▁all ▁published ▁under ▁his ▁sole ▁first ▁name . ▁Some ▁websites ▁refer ▁to ▁him ▁as ▁Rap ha el ▁Dec ost erd ▁( or ▁D éc ost erd ) ▁but ▁it ▁seems ▁to ▁be ▁his ▁Swiss - born ▁wife ' s ▁last ▁name . ▁The ▁K ah ua ▁Institute ' s ▁website ▁refers ▁to ▁him ▁as ▁Rap ha el ▁F . ▁Sh ar pe . ▁ ▁Disc ography ▁ ▁As ▁a ▁solo ▁artist ▁ ▁Music ▁to ▁Dis app ear ▁In ▁( 1