Modify the maximum memory allocated by editing /Applications/SongKong.app/Info.plist,
For example to set it to 4GB of memory
In Finder click on Applications:SongKong and select Show Package Contents
Select Contents folder, then right click on Info.plist and select with Open with TextEdit
Within TextEdit Go to the end of the file and add this line to set memory
to 4GB after the
<string>-Dapple.awt.brushMetalLook=true</string>
<string>-XmX4000M<string>
Within TextEdit select Save