Jamaican musician David "Ziggy" Marley poses for a portrait on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Jamaican musician David "Ziggy" Marley, son of Bob Marley, is interviewed on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Jamaican musician David "Ziggy" Marley looks at his father's primary guitar, a modified mahogany Gibson Les Paul, on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Jamaican musician David "Ziggy" Marley attends the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE IMAGES OF THE DAY) 

Jamaican musician David "Ziggy" Marley looks at his father's primary guitar, a modified mahogany Gibson Les Paul, on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Visitors walk by photographs on display on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Jamaican musician David "Ziggy" Marley looks at photographs of his father on display on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE) 

Jamaican musician David "Ziggy" Marley, son of Bob Marley, poses on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Jamaican musician David "Ziggy" Marley, son of Bob Marley, smiles while being interviewed on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE HEADSHOT) 

Notes are seen on display on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Jamaican musician David 'Ziggy' Marley looks at photographs of his father on display on the opening day of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT) 

Visitors view the opening of the exhibit "Bob Marley, Messenger" at the Grammy Museum in Los Angeles May 11, 2011. The exhibit celebrates the life and music of Bob Marley. REUTERS/Mario Anzuoni (UNITED STATES - Tags: ENTERTAINMENT PROFILE SOCIETY)