* in instrumentTrack::processInEvent() lock mixer in outer branch git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1282 0778d3d1-df1d-0410-868b-ea421aaaa00d
* in instrumentTrack::processInEvent() lock mixer in outer branch git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1282 0778d3d1-df1d-0410-868b-ea421aaaa00d