Gene Maddaus Senior Media WriterSupporters of a measure to expand arts and music education in California schools announced Tuesday that they have submitted 1 million signatures, more than enough to qualify the initiative for the November ballot.The initiative is led by former L.A. Unified Superintendent Austin Beutner, and has garnered support from scores of Hollywood executives and entertainers, including Katy Perry, Issa Rae, John Lithgow and Jeff Bridges.