Charmin sponsors Pandora Discovery Den at SXSW OAKLAND, Calif.--(BUSINESS WIRE)--Mar. 3, 2015-- Pandora (NYSE:P), the leading internet radio service, today announced the lineup for its annual Discovery Den taking place during the South by Southwest (SXSW) Conference and Festival. Returning to The Gatsby in the heart of Austin’s Red River District, more than 35 critically acclaimed artists are scheduled to perform over four days. Each day of the Discovery Den will highlight the most exciting musicians in their respective genres – electronic, hip hop/R&B, Americana and rock. Fans will be able to experience the Discovery Den both in-person and online via a multi-platform live audio stream.