There is a problem with volume automation - at very low sounds it causes some clicks. Here is my track, you should hear it at the beginning when the bass is fading-in (it is a really low sound - better use headphones): http://www.mediafire.com/?jn2zdmnzign
. Here is the source file if you want to see it: http://www.mediafire.com/?hjn4mjm31d4
. Hope that helps improving LMMS :) You guys are doing great job!