Why is my sound level LEDs bar indicator not working?
You have 8 evenly spaced (in voltage) comparators, you really want a log scale, try making each resistor in the series chain half the value of the one above, this will give you 6dB per LED which is likely to be more satisfactory. 

Add a diode, a cap and two resistors to give the thing some dynamics. 

Or use a LM3914 or such, lower parts count and that part is made for this job.