Farnborough, which alternates each year with Paris, is Europe's big aviation shindig.
Incubation, which alternates between both parents, occurs over the next 35 days.
The cup, which alternates locations, was played in Montreal that year, not in Toronto.
Delegates also spent more than an hour arguing over which alternates should replace which absent delegates.
The music, which alternates between traditional Chinese clichés and Western symphonic ones, makes the emotional intent even clearer.
"The Winter's Tale," which alternates in repertory with "Merchant," features some charming gull-like bird puppets, carried on sticks.
A special class of light is the isophase, which alternates eclipses and flashes of exactly equal duration.
Every year, the team competes in the multi-team Special Hockey International Tournament, which alternates between American and Canadian cities.
This is even more apparent in "Spanish Wells," which alternates sections of Debussy's "Mer" with songs by Amy Winehouse.
That unevenness seems to transmit itself to Barenboim's approach too, which alternates between sovereign command and effortful detailing.
The game, which alternates between these two schools, which are 10 miles apart, has been played 107 times.
