"The Entertainer" is a 1902 classic piano rag written
by Scott Joplin. One of the classics of ragtime, it
returned to top international prominence as part of the
ragtime revival in the 1970s, when it was used as the
theme music for the 1973 Oscar-winning film The Sting.
(Wikipedia)
Sennheiser is a prestigious German company specializing in the design and manufacture of high-quality audio products. Established in 1945, Sennheiser is especially renowned for its microphones, headphones, and wireless transmission systems.