This is the complete list of (Digikey) parts I used to light my empeg:

4 button leds, Digikey Part 67-1606
1 SMD resistor pack, 1k Ohm, 4 resistors, Digikey part Y4102CT

1 SMD Transistor MMBT3906DICT-ND
4 100 Ohm SMD resistors part 311-100CCT-ND
1 10k Ohm SMD resistor 311-10KACT-ND
4 knob leds, Digikey Part 67-1608

-Greg