Neil Grant Richardson was an English composer and conductor. As a composer, he is perhaps best known for \"Approaching Menace\" (the Mastermind theme tune) and \"The Riviera Affair\". During the 1960sā1990s, he was an arranger and conductor of various BBC Radio Orchestras, working on programmes such as String Sound and The Radio Orchestra Show. He was a prolific composer of library music for companies such as KPM, and his music has been used in numerous TV, film and radio productions - Wiki