Randy Van Horne
...that the Randy Van Horne Singers performed the theme songs for many classic Hanna-Barbera cartoons, including The Flintstones and The Jetsons?
...that the <b id="mwDM8"><a href="./Randy_Van_Horne" id="mwDNA" rel="mw:WikiLink" title="Randy Van Horne">Randy Van Horne</a></b> Singers performed the <a class="mw-redirect" href="./Theme_song" id="mwDNE" rel="mw:WikiLink" title="Theme song">theme songs</a> for many classic <a href="./Hanna-Barbera" id="mwDNI" rel="mw:WikiLink" title="Hanna-Barbera">Hanna-Barbera</a> <a href="./Cartoon" id="mwDNM" rel="mw:WikiLink" title="Cartoon">cartoons</a>, including <i id="mwDNQ"><a href="./The_Flintstones" id="mwDNU" rel="mw:WikiLink" title="The Flintstones">The Flintstones</a></i> and <i id="mwDNY"><a href="./The_Jetsons" id="mwDNc" rel="mw:WikiLink" title="The Jetsons">The Jetsons</a></i>?