The End background music sounds like unstable and corrupted.
Music file location:
C:~~~\.minecraft\assets\objects\47\47800737d078e751698df291054adc596ba8195a
Video :
https://www.youtube.com/watch?v=xKwZGIO40is&feature=youtu.be
Environment
OS : Windows 10 64-bit
Java version : 1.8.0_25
CPU : Intel(R) Core(TM) i5-4460 CPU @ 3.20GHz
GPU : NVIDIA GeForce GTX 650
Drivers : GeForce 355.60
Linked issues
duplicates 1
Comments 3
Dupe of MC-86790
Confirmed of 15w34c problem persists.