So while no stranger to Utau and how it works I am a stranger to using it myself, and having just gotten Utau-synth a couple months ago on a dying computer and having it not work with any ust or voicebank I placed into it I believed the problem to be the computer. I am now using a MacBook Air which is fast and powerful enough to have it definitely not be the computer. I know that on their own the usts and voicebanks work but no sound at all comes out of my computer before and after rendering the .wav. I also took the 'rendered' .wav and had it changed to mp3 just in-case my computer couldn't play .wav files. Anyone know what could be the cause (or solution) of the problem?