What is ⌘ Cmd + Control + Y keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Xcode - Pause  
2. BBEdit 13 - Document syntax  
3. Final Cut Pro X - Play the pick in context in the timeline  

All programs

All programs using this shortcut, by category.

Note: This page includes variations for Command + Control + Y
Control + Command + Y
Command + Control + Y. Restrict to only Command + Control + Y.