Cika jumlar da ke gaba: A shekara ta 2007, a cikin wata uku
Bayan da 'yan wasan kwaikwayo na Hollywood suka yi yaƙi, Walden ya rubuta aikin wasan kwaikwayo na farko, "Symphony No.1 <unk> The Four Elements". Rikodi tare da Hollywood Studio Symphony ya sami lambar yabo ta Grammy Award guda biyu a shekarar 2008.