McLain sang "Still Alive" and "Want You Gone", the ending credits songs to Portal and Portal 2, respectively, both of which were written by Jonathan Coulton.
The Ellen DeGeneres Show | Ellen van Dijk | Ellen | Ellen Terry | Ellen (TV series) | Ellen DeGeneres | Ellen Burstyn | Ellen Page | Ellen Barkin | Ellen Datlow | George Robertson, Baron Robertson of Port Ellen | Ellen MacArthur | Ellen Johnson Sirleaf | Denny McLain | Ellen Greene | Ellen Glasgow | Ellen Geer | Ellen Doré Watson | Vera-Ellen | The Ellen Show | Ellen von Unwerth | Ellen Shipley | Ellen Sandweiss | Ellen Gustafson | Ellen Browning Scripps | Ellen Spiro | Ellen Ripley | Ellen Meiksins Wood | Ellen Horn | Ellen G. White |