After helping out MichauDotCom with his Guitar Hero: Warriors Of Rock theme (also for 3.121)
I managed to get the Guitar Hero 5 rockmeter (the one that's on the side of the fretboard) in 3.121
AND NOW 16:9 THANKS TO MichauDotCom
Guitar Hero 5 Notes (Credits to Ambiguity)
Hitflames (Also, Ambiguity)
and the rock_arr.png and the star power lights have been made transparent to make it look neat.
16:9 version by MichauDotCom