Rayon Announces EP ‘Helium’ Cover + Release Date | News Rayon has revealed new info regarding his upcoming project. The /rapper/producer will be releasing his EP entitled “Helium” on September 29, 2015. This is a free project. [follow id=”IAmRayon”] Leave a Reply Cancel Reply Your email address will not be published.CommentName* Email* Website Notify me of follow-up comments by email. Notify me of new posts by email.