SoundBetter - Marketplace for musicians and music production professionals
Artsy - A global platform for discovering and collecting art.
PrimoMusic - An iTunes alternative made to manage iPhone/iPod media files
ArtMajeur - +1 Million original artworks, Free Shipping Worldwide, Low prices guaranteed, 14 days return: buy all the art you love on Artmajeur!
Gemtracks - Buy instrumental backing tracks and beats for $149! Get master ownership and copyright transferred to you once purchased.
WikiArt - The Encyclopedia of Fine Art