London Mayor Boris Johnson has pledged to improve access to and provision for cultural events in outer boroughs and cut red tape for grassroots groups.
The promises were a part of his three-year plan to enhance Londoners' experience of arts and culture.
The paper includes plans to celebrate the city's history through a series of events set to take place in June 2009.
Improving music education for young people and a day of free film screenings are part of his plans.
Mr Johnson said Londoners must capitalise on opportunities offered by the 2012 Olympic Games.
Additional funding will also be given to the London Jazz Festival to enable it to hold performances in the outer boroughs for the first time.
The mayor also plans to appoint a day as London Film Day which will see free film screenings and events taking place across all boroughs.
Mr Johnson's paper, called "Cultural Metropolis - The Mayor's Priorities for Culture 2009-2012", said the Games should be used as a once-in-a-lifetime opportunity to develop a high-quality cultural legacy.
It said that could be achieved through projects such as the art commissions which are expected to be integrated into the Olympic Park.
Mr Johnson said: "I want to see better access and provision for people in the outer boroughs, where it can be very patchy.
"And we must capitalise on the opportunities offered by the 2012 Games to create a cultural legacy for all Londoners."
In 2002 the creative industries added £21bn to London's output and by 2005, 12% of all London workers - 554,000 people - were creatively employed.
Munira Mirza, mayor's director of culture policy, said the plans would give support to the industry and "make sure red tape and funding pressures do not obstruct artistic progress, especially for smaller grassroots organisations".