Since the installation of the new OS I'm not having a problem with it. Possibly the Update Manager gave me that other build because I had some dev headers installed.
Thank you for responding to me on this issue.

The 1.0.96 release is what just came up with the Software Update that also updated it from the 1.0.0 version. I had the problem with v 1.0.0
I just now installed the newer Linux Mint 17.1 64bit, so I will have to install again anyway. I will look at the other things you mentioned as well.
Thank You.

Linux Mint 17 Cinnamon 64bit LMMS 1.0.96 When I open a project file, the first time it plays fine, if I close LMMS and then open it again the project file plays at an extremely fast speed which is also distorted. I did the change to the kxstudio repos to see if that would help, it did not help, stil...