Mighty Bright XtraFlex Music Stand Light - Black Item #: MIG XTRAFLEX 

The Mighty Bright XtraFlex Music Stand Light features a super bright LED with extra smooth and even illumination due to a special lens over the single super LED (light emitting diode) which is as bright as three regular LEDs.
This music stand light is energy efficient, and powered by three AAA batteries (included). The LED bulb never needs replacing. The ExtraFlex clips on to almost anything, from music to microphone stands and may be used as a handy freestanding task lamp as well.