 About 2 @,@ 000 projectors shone images onto buildings and giant screens up to 1 @,@ 200 feet ( 370 m ) high , transforming the city 's skyscrapers into spectacular backdrops for an elaborate display of fireworks and lasers . Rendez @-@ vous Houston entered the Guinness Book of Records for its audience of over 1 @.@ 5 million , beating his earlier record , set in 1979 . The display was so impressive that a nearby freeway was blocked by passing vehicles , forcing the authorities to close it for the duration of the concert . Several months later he performed to an audience of about a million at his home city of Lyon , in celebration of a visit by Pope John Paul II . Watching from Lyon Cathedral , the Pope began the concert with a good @-@ night blessing , a recording of which appears on Cities in Concert – Houston / Lyon . 
