Client> Starting up SoundSystem...
Client> Initializing LWJGL OpenAL
Client>     (The LWJGL binding of OpenAL.  For more information, see http://www.lwjgl.org)
Client> OpenAL initialized.
Client> 
Client> 2013-05-23 16:15:56 [CLIENT] [INFO] Connecting to server.org, 25565
Client> Setting up custom skins
Client> Setting up custom skins
Client> Error in class 'CodecJOrbis'
Client>     Unable to acquire inputstream in method 'initialize'.
Client>     ERROR MESSAGE:
Client>         minecraft:sound/piano3.ogg
Client>     STACK TRACE:
Client>         bhp.a(SourceFile:37)
Client>         bhx.a(SourceFile:34)
Client>         bhx.a(SourceFile:27)
Client>         biz.getInputStream(SourceFile:65)
Client>         paulscode.sound.codecs.CodecJOrbis.initialize(CodecJOrbis.java:281)
Client>         paulscode.sound.libraries.SourceLWJGLOpenAL.play(SourceLWJGLOpenAL.java:616)
Client>         paulscode.sound.Library.play(Library.java:706)
Client>         paulscode.sound.libraries.LibraryLWJGLOpenAL.quickPlay(LibraryLWJGLOpenAL.java:795)
Client>         paulscode.sound.SoundSystem.CommandQuickPlay(SoundSystem.java:1866)
Client>         paulscode.sound.SoundSystem.CommandQueue(SoundSystem.java:2438)
Client>         paulscode.sound.CommandThread.run(CommandThread.java:121)
Client> Error in class 'SourceLWJGL OpenAL'
Client>     Audio Format null in method 'play'
Client> Exception in thread "Thread-6" java.lang.NullPointerException
Client> 	at com.jcraft.jorbis.Block.<init>(Block.java:55)
Client> 	at paulscode.sound.codecs.CodecJOrbis.initialize(CodecJOrbis.java:252)
Client> 	at paulscode.sound.libraries.SourceLWJGLOpenAL.play(SourceLWJGLOpenAL.java:616)
Client> 	at paulscode.sound.Library.play(Library.java:706)
Client> 	at paulscode.sound.Library.play(Library.java:675)
Client> 	at paulscode.sound.SoundSystem.CommandPlay(SoundSystem.java:2076)
Client> 	at paulscode.sound.SoundSystem.CommandQueue(SoundSystem.java:2599)
Client> 	at paulscode.sound.CommandThread.run(CommandThread.java:121)
Client> 
Client> SoundSystem shutting down...
Client> Error in class 'SoundSystem'
Client>     Command thread did not die!
Client> Ignoring errors... continuing clean-up.
Client> Error in class 'SoundSystem'
Client>     Problem during Library.cleanup()!
Client> Ignoring errors... continuing clean-up.
Client>     Author: Paul Lamb, www.paulscode.com
Client> 
Client> AL lib: (EE) alc_cleanup: 1 device not closed
Game ended with no troubles detected (exit code 0)
Deleting D:\Users\Robert\AppData\Roaming\.minecraft\versions\13w21a\13w21a-natives-1934273536055
Couldn't delete D:\Users\Robert\AppData\Roaming\.minecraft\versions\13w21a\13w21a-natives-1934273536055 - scheduling for deletion upon exit