tweak@AmigaBuntu:~$ sudo apt-get install libcsound64-6.0
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help resolve the situation:

The following packages have unmet dependencies:
 libcsound64-6.0 : Depends: libstk0v5 but it is not installable
E: Unable to correct problems, you have held broken packages.