Lord Shiva’s power of destruction and recreation are used to destroy the illusions and imperfections of this world and change it for the better. This makes him a source of both good and evil. It is his nature and reaction that earned him different names in the Hindu Mythology.
In playing the flute, Krsna was very expert, and the gopis were captivated by the sound vibration, which was not only attractive to them but to all the living creatures who heard it. KRSNA BOOK, p.147.