Following on from his article 'The prime number lottery' in last issue of Plus, Marcus du Sautoy continues his exploration of the greatest unsolved problem of mathematics: The Riemann Hypothesis.

Skot McDonald talks to Plus about how he uses mathematics to understand music, and how he managed to combine his passions for music and computing to create a successful career.

Can the music of Mozart help your mathematics?

Kevin Jones investigates the links between music and mathematics, throwing in limericks, Fibonacci and Scott Joplin along the way. Plus is proud to present an extended version of his winning entry for the THES/OUP 1999 Science Writing Prize.

In the first of two articles, David Henwood discusses the vibrations that can be harnessed by musical instrument makers.

In his second article, David Henwood explains the role of mathematics in the design of Hi-Fi loudspeakers.