If you're looking for help regarding an Ubuntu feature, please search within the
Ubuntu Forums.
For general Linux Audio help, use the
LinuxMusicians Forums or
LinuxAudio Mailing List.
You can also use IRC on irc.freenode.net (or .com) server, channel
#kxstudio,
#opensourcemusicians or
both.
Please note that documentation for KXStudio is a work in progress, if you need some information not available here, you can try:
Some useful topics:
KXStudio 14.04.2 Release
KXStudio Manual
(The manual is being written by Dan MacDonald with the assistance of Aaron Wolf, falkTX and the LinuxMusicians community).