JUST 2 LETTERS
Each answer is a commonly used 2 letter abbreviation, ie a daily newspaper with an emphasis on business and economic news, would be FT
1. The final odds at the start of a horse race
 SP (Starting Price)
2. A person who plays recorded music for a live audience
 DJ (Disc Jockey)
3. Monthly men's magazine founded in 1931, which focuses on fashion, style, and culture
 GQ (Gentleman's Quarterly)
4. Organisation which promotes international co-operation and order
 UN (United Nations)
5. An infectious disease usually spread through the air, once known as consumption
 TB (Tuberculosis)
6. Actress and fashion model, who later became an animal rights activist, widely known by her initials
 BB (Brigitte Bardot)
7. Electricity which flows only in one direction
 DC (Direct Current)
8. Annual motorcycle sport events run on the Isle of Man
 TT (Tourist Trophy)
9. A musical recording that contains more (or longer) tracks than a single, but usually less that an album
 EP (Extended Play)
10. British car manufacturer, whose models included the TF and the Magnette
 MG (Morris Garage)