Duo Crommelynck
... that both members of Duo Crommelynck, a noted classical piano duo, committed suicide in 1994, the only known such case in classical music history?
... that both members of <b id="mwHEE"><a href="./Duo_Crommelynck" id="mwHEI" rel="mw:WikiLink" title="Duo Crommelynck">Duo Crommelynck</a></b>, a noted classical piano duo, committed  <a href="./Suicide" id="mwHEM" rel="mw:WikiLink" title="Suicide">suicide</a> in 1994, the only known such case in <a href="./Classical_music" id="mwHEQ" rel="mw:WikiLink" title="Classical music">classical music</a> history?