Freewill
... that the Rush song "Freewill" was the last studio recording to use the "shrieking high range" of Geddy Lee's vocals?
... that the <a href="./Rush_(band)" id="mwBSI" rel="mw:WikiLink" title="Rush (band)">Rush</a> song "<b id="mwBSM"><a href="./Freewill_(song)" id="mwBSQ" rel="mw:WikiLink" title="Freewill (song)">Freewill</a></b>" was the last studio recording to use the "shrieking high range" of <a href="./Geddy_Lee" id="mwBSU" rel="mw:WikiLink" title="Geddy Lee">Geddy Lee's</a> vocals?