Ramba uchinyora ndima iyi - Panguva yaaizivikanwa zvikuru, David aiita nzendo dzokushanyira nyika, uye akatombogara kuTurkey kwenguva yakati. Muna 1979, akaedzazve kuhwina Eurovision
, uye akaisa wechitatu anoremekedzeka. Rwiyo rwake "Je suis l'enfant soleil" ("Ndiri mwana wezuva") rwakava runozivikanwa zvakafanana muFrance uye munyika dzeFrancophone.