Stephen Lines studied at the Royal Military School of Music, Kneller Hall as a Pupil in 1967-68 studying french horn under Alf Cursue - Alf was a specialist 4th horn player who was a member of `God`s Own Quartet` which included Dennis and Aubrey Brain. On completion of the course Stephen was immediately appointed principal horn of the regimental Band of the 2nd Battalion Royal Anglian Regiment. He attended Kneller Hall as a Student Bandmaster from 1975-1978 after which he was appointed Bandmaster of 1st Battalion Royal Anglian Regiment. Just 6-years later, because he perceived Army music at that time to be undergoing a rapid decline, he took voluntary redundancy.

He subsequently retrained and was appointed a member of the Directing Staff at the British Police Staff College, Bramshill where he became responsible for running Simulated Operations Training of senior police officers in Critical Decision-Making Under Stress.

Whilst associated with the Police he studied for a Masters Degree in Police and Criminal Justice Studies and an Honours Degree in Psychology. Subsequently he was recruited by the Defence Evaluation Research Agency - now called QinetiQ - where he worked as a senior consultant within the Centre for Human Sciences.

Stephen now composes full time in various genres but sees himself in future concentrating on orchestral music and writing for the french horn - a second concerto has recently been completed.

When not composing Stephen spends time playing golf at Hartley Wintney Golf Club in Hampshire.