FM
... that Steely Dan's "FM" has four key changes in its first eight lines?
... that <a href="./Steely_Dan" id="mwAvw" rel="mw:WikiLink" title="Steely Dan">Steely Dan</a>'s "<b id="mwAv0"><a href="./FM_(No_Static_at_All)" id="mwAv4" rel="mw:WikiLink" title="FM (No Static at All)">FM</a></b>" has four <a href="./Key_(music)" id="mwAv8" rel="mw:WikiLink" title="Key (music)">key</a> changes in its first eight lines?