Buy cheap and sell high is a rule of business, and when you control enough money and enough banks you can always manage that a stock you want shall be temporarily cheap. No value is destroyed for you - only for the original owner.
There's two facets to writing a song. There's you sitting in your room writing the sentiments of the song; the lyrics, the melody and the changes, and then there's the part where you go into the studio and you put clothing on it.