How do you contact roc nation?

well if your are currently in the music business or just starting out try making your own music that sounds like nobody elses at all and make sure it's a hit ! then take pictures of yourself to show people what you look like online. promote your demo CD or song and create a buzz for yourself so you can introduce people who you are. start making CD's and selling them. have shows weekly with flyers telling people to come out. post your music on as many website as you can and keep doing this and maybe just maybe one day a label will approach you.