Wow. It turns out Telegraph readers really like guitar music – and have very strong opinions about it. I’m not going to say ...

We’re going to fall out about this, obviously. But here we go. Let’s just start with the idea that a riff is a short, ...

The tritone has been blamed for chaos, banned by choirs, and embraced by metalheads. Here’s what the 'devil's interval' ...

The riff then moves to a change between an A power chord and the lowest 3 notes of a B7 chord. This riff is repeated 4 times, but on the final time a short bending phrase is added after the B7 chord.

The No More Tears sessions found the Ozzy camp in high spirits and ready to lay down a record that would take the Prince of Darkness' solo career to new heights ...

His opening riff, which glides between two notes, is so simple that the listener quickly becomes familiar with the pattern. Then just as quickly, Page drops in a different sliding two-note couplet ...

Transplant Richard Wright’s “Native Son” to today and one will find much more to retain than to update. In “Hypocrisy of Justice: Sights and Sounds from the Black Metropolis… ...