Sylvia Hallett
... that the composer and improviser Sylvia Hallett bows both the violin and a spinning bicycle wheel?
... that the composer and improviser <b id="mwBfs"><a href="./Sylvia_Hallett" id="mwBfw" rel="mw:WikiLink" title="Sylvia Hallett">Sylvia Hallett</a></b> bows both the violin and a spinning bicycle wheel?