Dermot Berkery of Delta Partners, a firm that specializes in high-end technology investments in Europe, has written that entrepreneurs need to argue just two things in a serious business plan: the existence of an opportunity for investment and the possibility of a good deal for investors.

Music startups seem to afford new opportunities for investment and there is much inefficiency in the current music marketplace. Think about the last point in connection with the four traditional sectors of the music business: music products, live music, recorded music, and publishing. Where do you see market inefficiencies begging for entrepreneurial acumen?