a rock supergroup
... that in 1977, three ex-members of the Byrds formed a rock supergroup partly modeled after Crosby, Stills, Nash & Young?
... that in 1977, three ex-members of <a href="./The_Byrds" id="mwCX8" rel="mw:WikiLink" title="The Byrds">the Byrds</a> formed <b id="mwCYA"><a href="./McGuinn,_Clark_&amp;_Hillman" id="mwCYE" rel="mw:WikiLink" title="McGuinn, Clark &amp; Hillman">a rock supergroup</a></b> partly modeled after <a href="./Crosby,_Stills,_Nash_&amp;_Young" id="mwCYI" rel="mw:WikiLink" title="Crosby, Stills, Nash &amp; Young">Crosby, Stills, Nash &amp; Young</a>?