He’s asking $5.99 million for the 10,000-square foot hilltop home in a gated community. It has five bedrooms, six baths, a basement garage, recording studio, atrium with a retractable roof, indoor koi pond and spa, wood-beamed ceilings, home theater, wine room and a piano-shaped pool. The Calabasas Country Club with its championship golf course is just down the street.