Axis of Awesome illustrates a well kept secret to the listening public:
https://www.youtube.com/watch?v=I1DIgPyxiWU
This makes playing these songs a lot easier:
https://www.youtube.com/watch?v=gbqm5-aeoAY
https://www.youtube.com/watch?v=B_Smt1VsoqQ
https://www.youtube.com/watch?v=pMMt52k1DQ0
Was waiting for someone to post that.