The London games include 302 events, with 23,000 athletes and officials, at 34 venues over 19 days. About 10 million visitors are expected along with some 20,000 journalists.
For those watching at home — all 4.8 billion of us — I offer an alternative Olympic competition as a diversion during all the Coke and McDonald's ads.
Characters in classical music and opera are not all kings, queens and couch potatoes. Some have genuine athletic abilities, and others find themselves in situations requiring Olympic-worthy strength and stamina. Listen to the music clip below and match each one to its appropriate sport from this summer's Olympics. Answer them all correctly and wear your gold medal with pride. Mess up, and you'll have to wait an embarrassing four years to try again.