Possible Clues:

• Italian repeatedly turned to an artist from Venice
• It is twice returned by an old painter
• Renaissance painter
• Bright reddish-gold
• Red giant swallows one
• Two notes on an artist
• Painter -- very important person inspires one
• 'Bacchus and Ariadne' painter, circa 1523
• Painter's current giant frames
• 'La Gloria' painter