Hi,

for those who like to make hifi-music with the raspberry pi there is a download with a realtime kernel for the rpi a+ and b+ boards available on

https://blog.georgmill.de/2015/04/06/update-rt-kernel-for-cirrus-logicwolfson-audio-card/

To get everything running read http://wiki.linuxaudio.org/wiki/raspberrypi.

Have fun.