BBC World Service

Mcasso has produced the core station sound of the BBC World Service since 2018 as well as providing themes for shows including Business Matters, Newsday and Unexpected Elements. Most recently Mcasso delivered the theme for the 2024 rebrand of The Fifth Floor hosted by Faranak Amidi. 

The BBC World Service is the world's largest international broadcaster in terms of reception area, language selection and audience reach. It broadcasts radio news, speech and discussions in more than 40 languages to many parts of the world on analogue and digital shortwave platforms, internet streaming, podcasting, satellite, DAB, FM and MW relays. The BBC World Service reaches an average audience of 210 million people a week.

BBC World Service English maintains eight regional feeds with several programme variations, covering, respectively, East and South Africa; West and Central Africa; Europe and Middle East; the Americas and Caribbean; East Asia; South Asia; Australasia; and the United Kingdom. 

The BBC World Service states that its aim is to be "the world's best-known and most-respected voice in international broadcasting", while retaining a "balanced British view" of international developments.