and provides comprehensive TV, radio, and online services in Arabic and Persian. The BBC operates several television channels nationally and internationally. The main two in the UK are BBC One and BBC Two, where each English region, Scotland, Wales and Northern Ireland have variations of the channel (excluding BBC Two in Scotland where it is BBC Scotland). Others include youth-focused channel BBC Three, cultural and documentary channel BBC Four, news channels BBC News and the BBC World News, parliamentary channel BBC Parliament, Scottish Gaelic-language channel BBC Alba, and two children's channels, CBBC and CBeebies. The BBC has ten radio stations serving the whole of the UK, a further seven stations in the "national regions" (Wales, Scotland, and Northern Ireland), and 39 other local stations serving defined areas of England. These are BBC Radio 1, offering new music and popular styles and being notable for its chart show; BBC Radio 2, playing Adult contemporary, country and soul music amongst many other genres; BBC Radio 3, presenting classical music and opera, jazz, world music, drama, culture and the arts. The station broadcasts the BBC Proms concerts, live and in full, each summer in addition to performances by the BBC Orchestras and Singers. There are regular productions of both classic plays and newly commissioned drama. BBC Radio 4, focusing on current affairs, science, history, factual and other speech-based programming, including drama and comedy; and BBC Radio 5 Live, broadcasting 24-hour news, sport and discussion programmes. In addition to these five stations, the BBC runs a further five stations that broadcast on DAB and online only. These stations supplement and expand on the big five stations, and were launched in 2002. BBC Radio 1Xtra sisters Radio 1, and broadcasts new black music and urban tracks. BBC Radio 5 Live Sports Extra sisters 5 Live and offers extra sport analysis, including broadcasting sports. BBC Radio 6 Music offers alternative music genres and is notable as a platform for new artists. BBC Radio 4 Extra, provided archive drama, comedy and children's programming. The final station is the BBC Asian Network, providing music, talk and news to this section of the community. As well as the national stations, the BBC also provides 40 BBC Local Radio stations in England and the Channel Islands, each named for and covering a particular city and its surrounding area (e.g. BBC Radio Bristol), county or region (e.g. BBC Three Counties Radio),