North Texas Giving Day is an online giving event for people across the nation (and the world!) to come together to raise as much money as possible for North Texas nonprofits on one day: September 22, 2016. In seven years, North Texas Giving Day has pumped $119 million into the North Texas community. In 2015, $33 million was raised through more than 118,000 gifts benefiting 2,020 nonprofits. (from the website)
To find the arts organizations you wish to support, go to https://northtexasgivingday.org/categories/arts-culture-humanities.