A recent mass killing at a Sikh temple in the United States has put neo-Nazi music into the spotlight.
The gunman, Wade Michael Page, was a white supremacist who played in several bands.
According to the Southern Poverty Law Center, which tracks hate groups, music sales are a primary source of income for racist groups and a rich recruiting ground for new members.
There is also evidence that Neo-Nazis have a presence in the institution that Americans say they most admire: the US military
Al Jazeera's Rob Reynolds reports from Los Angeles.