Corey Webb and Leo Larkpor of distribution and marketing startup MogulTunes discuss some of the nuts and bolts of marketing music — in particular how to decide where to spend your limited marketing dollars, why market research is necessary, and how artists can use the internet correctly to maximize the impact of their marketing. They also share some of the experiences they have gained as entrepreneurs, offer some advice to others who might want to start an internet-based or marketing company, and discuss the services that MogulTunes offers to artists.