analog equipment for music production and performance. There are no deadlines or set quotas, and Red Bull does not own the music produced in the building. These collaborative sessions are in part facilitated by the Academy’s "Studio Team", who are all experienced music producers in various fields. Twice daily, participants attend lectures by guest speakers who range from composers, producers, sound engineers and technological pioneers, to rappers and industry professionals. Lecture attendance is the only compulsory part of the program. The Red Bull Music Academy does not seek to select or create "stars", instead bringing together music makers with a wide range of talents, skill levels and cultural backgrounds. Notable former participants include Aloe Blacc, Branko of Buraka Som Sistema, Bahrainian oud player Hasan Hujairi, Juan Son, Natalia Lafourcade, Nina Kraviz, Sevdaliza, Hudson Mohawke, David Eriksson of Teenage Engineering, Blackcoffee, Tokimonsta, Flying Lotus, Evian Christ, Teri Gender Bender, Salva and Andreya Triana. The Academy also publishes an annual double-CD compilation of music produced at the respective last edition titled "Various Assets – Not for Sale". Since 2004, those compilations have featured original music from more than 300 artists, including Dorian Concept, Flying Lotus, Lusine, Theo Parrish, Aloe Blacc, Mark Pritchard, XXXchange, Om’Mas Keith of Sa-Ra, Illuminated faces, Tony Allen, Mr Hudson, Dennis Coffey, Hudson Mohawke, DJ Zinc, Wally Badarou, Benga, Phonte, Jake One, Steve Spacek of Spacek and Natalia Lafourcade. The Red Bull Music Academy hosts additional workshops and three-day Base Camp sessions in more than 60 countries every year. These events resemble the actual Academy in consisting of music lectures, hands-on production workshops, studio sessions, art exhibitions and nighttime activities such as concerts and club events. There is a strong focus on local topics as well as an international perspective. Further activities The Red Bull Music Academy has partnered with some of the most prominent music festivals, such as Sónar, Mutek, Movement: Detroit's Electronic Music Festival, Melt!, Notting Hill Carnival, Oxegen, Meltdown, Monegros Desert Festival, Splendour In The Grass Bestival and the Winter Music Conference. The Academy curates stages at these festivals and/or hosts workshops or one-off concerts in tandem with the festivals. In 2005, the Red Bull Music Academy launched the Internet radio station Red Bull Radio, which broadcast interviews, live recordings and DJ mixes from more than 50 countries, via a 24/7 live stream and on-demand. The station enjoyed an average of 600,000 listeners online per month