Newgate Music & Arts Newgate Music n Arts Mission Viejo Newgate Music & Arts gathers musicians and artists in Southern Orange County to present original music and art, brightening the culture in Mission Viejo and the surrounding communities. We believe that our communities have vibrant creators whose artistic voices are worth bringing to light. While there are astounding ensembles in our area, Newgate is the only group to offer all original music, making each piece in every concert a world premiere.