Rick Astley - Never Gonna Give You Up :troll: Kansas have Dust in the Wind amongst other songs so not one hit wonder..
The ultimate one hit wonder: <object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/ME6245Q1eo4?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/ME6245Q1eo4?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object>
<iframe width="480" height="390" src="http://www.youtube.com/embed/qAvfjqzwsW0" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/O0MQ2-fYQno" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/azVqekQBK8g" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/7rik7xV7Tj4" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/y69s_q1WLkQ" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/JXXe2aVa1Ek" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/otXGqU4LBEI" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/d-diB65scQU" frameborder="0" allowfullscreen></iframe> <iframe width="480" height="390" src="http://www.youtube.com/embed/aAxFc1k-2wA" frameborder="0" allowfullscreen></iframe>
Not really sure if this is a one hit wonder, but it's the only song I've ever heard by them: <object style="height: 390px; width: 640px"><param name="movie" value="http://www.youtube.com/v/hMH5_pyiFg0?version=3"><param name="allowFullScreen" value="true"><param name="allowScriptAccess" value="always"><embed src="http://www.youtube.com/v/hMH5_pyiFg0?version=3" type="application/x-shockwave-flash" allowfullscreen="true" allowScriptAccess="always" width="640" height="390"></object>