Watch the Stadium Rock: Technique 4 online guitar lesson by Robbie Calvo from RhythmCraft
My favorite part of this course has been to demonstrate the lessons in a practical way. In this example you'll see me play the initial guitar part and then I'll double track that part to make it sound really full and strong. All of the major rock bands do this stuff in the studio and that's why the records you love sound so punchy.
Next up you'll hear me add in the triad part on the upper strings. This is where it all comes together to create a killer rock guitar sound that you can use for your own music. If you have the ability to record yourself, try multi tracking your guitar in layers like this. It's a great rhythm study and it will definitely help you nail and focus on your timing.