Whakakiia te rerenga e whai ake nei: I te tau 2007, i roto i te toru marama
I te whakaekenga a nga kaituhi kiriata o Hollywood, ka tuhia e Walden tana mahi konohete nui tuatahi, "Symphony No.1 <unk> The Four Elements". Ko te rekoata me te Hollywood Studio Symphony i whakawhiwhia ki nga tohu Grammy Award e rua i te tau 2008.