Music 4 is a creator of custom music for media and production libraries. It has worked with many TV and radio stations in the United Kingdom, including BBC Radio 1 and ITV. The company produced the majority of the jingles for the Chris Moyles show on Radio 1 which attracted over 8 million listeners every morning.
In 1997, Sandy teamed up with fellow directors, Roger Dexter and Alan Bell, to create Vibe Music Imaging which in 2003 developed into Music 4.
In 2013, the Music4 Studios in Berners Street, London were sold.
The company has produced theme tunes and backing music for many TV shows including The One Show, Watchdog Test House and Watchdog for BBC1, The Alan Titchmarsh Show, It'll be Alright on the Night and An Audience with The Spice Girls for ITV and Wordplay for Channel 5.
As well as being heavily associated with The Chris Moyles Show, Music 4 has made jingles for Real Radio, Spin South West, Wave 105, Absolute Radio and Magic 105.4.
Music4 has done extensive work for BBC Radio 1 over the years; it produced the music imaging for BBC Radio 1's Newsbeat bulletins and programmes between the years 2000 and 2009, with the exception of 2003 and 2004. It produced the full station imaging packages for Radio 1 in the years 1998-2002, the imaging for The Official Chart Show in 1999, 2005, 2006 and 2012, and the 1tros (custom power intros) between 2008-2010.