Shetland Arts Development Agency or Shetland Arts for short, is a charitable organisation formed in 2006 (to replace the Shetland Arts Trust) with a remit to "encourage and assist in promoting and advancing the creation, practice and presentation and study of all forms of art - visual, performing and creative."The organisation, based in Mareel, manage the Weisdale Mill (an art gallery, museum and cafe), the Garrison Theatre and the Mareel cinema, music and education venue.Music is an important aspect of their work and the "Fiddle Frenzy" traditional music summer school and cultural event is now in its fifth year, the 2008 event building on earlier successes.