everybody know on xperia Z2 walkman when playing a music after 10scnd sound level reduc.
i fix this bug and share it with yours.
frist download & install z2 walkman of this thrd:
u must dl Xperia Z2 WALKMAN™ v1.1b and New Xperia Z2 WALKMAN build.prop tweak.
and then download and install my fix.
flash of recovery.just wip cach.
and then install and enjoy it.