Their results suggest that streets with music sounds prompted more feelings of joy, sadness or melancholy, while those with human sounds like footsteps and conversation prompted joy and surprise.
It prompted joy in the stands of the 11,700-capacity Goldsands Stadium - and there was better to come just four minutes later, when Ritchie latched onto Yann Kermorgant's lay-off to drive home from 12 yards.
The Republican bill squeaked through the House last week, prompting cheers of partisan joy at the White House.
Two nights later, the North Vietnamese attacked again, targeting the Maddox and the USS Turner Joy and prompting the president to take to the airways to announce that "renewed hostile actions against United States ships on the high seas in the Gulf of Tonkin have today required me to order the military forces of the United States to take action in reply".
But the effects of scarcity can provide their own entertainment: on a recent night, the conversation of a nearby couple turned, as if with some subconscious prompting, to the occult joys of late-night cereal binges.
At Chepstow the Coral Welsh National win of Dream Alliance prompted scenes of joy for his rider, Tom O'Brien, and a syndicate of local owners.
This movement from Bach's B minor Mass, expressed through voices in union and a jubilant array of trumpets and drums, prompts tears of joy: the best sort.
It is five years since New Zealand stunned the Kangaroos 34-20 in the 2008 World Cup final in Brisbane, a result that, outside Australia at least, prompted heel-clicking joy.
Too mortified even for his signature nasal mucus-expulsion, he was harangued by the self-same Winterburn, prompting Bryan Robson to declare his joy in the triumph of "justice" in the pages of his 1989 Soccer Annual.
She had just beaten the No. 8 seed, Marion Bartoli, in straight sets, 7-6(2), 6-2, in front of a packed grandstand stadium, prompting pockets of fans to leap to their feet in joy.
