Often, I need to recompile and it takes a minute or two, so I tend to switch to a web browser to kill that time. Sometimes I forget to look back and the build succeeded a fe
There is an extension called Ding that seems to do what you are looking for:
"This small extension will play notification sounds when following events occur: - Build Complete - Entering debugger mode (breakpoint hit, etc) - Unit tests finished to run Useful when working with big solutions or when build/test run/hitting a breakpoint takes a lot of time ..."
https://visualstudiogallery.msdn.microsoft.com/941d0ed0-1218-452e-8585-d3ac693cda17