The last several shots for Deuce are roving flashing shots, which can easily be made by timing repeat shots on center ramp until completed.
After completing a song the scoop lights for you to pick the next song. Always have a song running!
If you have a mode shot lit on the left or right orbit, skillfully plunge so the ball slowly clears the orbit & it'll count the shot
Short plunge to get the ball to the flippers and then go for the Demon locks with reckless abandon while Ball Save is still active.