Blake
... that the classical "boy band" Blake formed via the social networking website Facebook and replaced a member by using Twitter?
... that the <a href="./Classical_music" id="mwEuA" rel="mw:WikiLink" title="Classical music">classical</a> "boy band" <b id="mwEuE"><a href="./Blake_(band)" id="mwEuI" rel="mw:WikiLink" title="Blake (band)">Blake</a></b> formed via the <a class="mw-redirect" href="./Social_networking" id="mwEuM" rel="mw:WikiLink" title="Social networking">social networking</a> website <a href="./Facebook" id="mwEuQ" rel="mw:WikiLink" title="Facebook">Facebook</a> and replaced a member by using <a href="./Twitter" id="mwEuU" rel="mw:WikiLink" title="Twitter">Twitter</a>?