Here is a link to the Dev log file: https://dl.dropboxusercontent.com/u/10679993/13w21aError.txt
There are notable errors regarding sound initalization as well as a null pointer somewhere in there as well. The null pointer did not crash Minecraft.
Edit: I should note that the sound stopped working as soon as I created a new test world. It was working fine in the menu.
Environment
Java: 1.7.0u9 64bit
OS: Windows 7 Ultimate 64bit
Processor: i5 3570k not overclocked
RAM: 32gb
Video: MSI HD Radeon 7950
Sound: Creative XB-Fi
LWJGL version: Whatever came with 13w21a
Linked issues
Comments 4
@Tails: Mine is not a duplicate because his occurs when he inserts a CD into a Jukebox. My sound stops working as soon as a new world is created.
Client> ERROR MESSAGE:
Client> minecraft:sound/piano3.oggThat's the standard Minecraft music which randomly plays, also causes MC-16150.
Duplicate of MC-16150, please use the search function to see if your bug has already been submitted. Currently over 56% of tickets are being closed as duplicate.