A quick demonstration of the powers of chroma keying.
<a href="//commons.wikimedia.org/wiki/User:Pixelmaniac_pictures" title="User:Pixelmaniac pictures">Pixelmaniac pictures</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Pixelmaniac_pictures" title="User talk:Pixelmaniac pictures"><span class="signature-talk">leave a reply</span></a>)
<span class="int-own-work" lang="en">Own work</span> with additional material from musopen.org (<a class="external free" href="https://commons.wikimedia.org/wiki/File:Gustav_Holst_-_the_planets,_op._32_-_i._mars,_the_bringer_of_war.ogg">https://commons.wikimedia.org/wiki/File:Gustav_Holst_-_the_planets,_op._32_-_i._mars,_the_bringer_of_war.ogg</a>).