In 1998, the electronic music duo Boards Of Canada released their breakout album, Music Has the Right to Children. Twenty-five years later, as part of our Silver Liner Notes series, music writer Mark Richardson discusses the role of memory and public broadcasting in the group's sample-heavy, synth driven tracks and interludes, how 'misusing' analog technologies like tape machines led them to innovative techniques, and how the record helped launch a sub genre known as "hauntology."