Originally Posted by: eddieb_isback_againOnce you become efficient at speed picking/alternate picking, here's a great video dedicated to that subject.
https://youtu.be/CMjwmlpmT84
This tutorial systematically covers learning to alternate pick for fast musical lines.
https://www.guitartricks.com/tutorial.php?input=287
The following ones in the series expand the idea.
https://www.guitartricks.com/tutorial.php?input=928
https://www.guitartricks.com/tutorial.php?input=929
Hope that helps!