1.   A disco ball revolved slowly above the empty dance-floor.

2.   A disco ball revolved slowly over the empty dance floor.

3.   AS befitted an industrial training awards evening the ballroom of the Marton Country Club was decked out with glittery disco balls and flashing coloured lights.

4.   As the last of the hundred-odd floats cruises up Oxford Street, fireworks and a mammoth disco ball send sparks of light across the crowd.

5.   At a neighborhood bar with a disco ball and gaudy red drapes, one of the regulars is sitting with her boyfriend nursing her thrice-weekly chardonnay.

6.   A glittering disco ball hung from the ceiling of the broadcast booth.

7.   A disco ball twirls slowly over the stage.

8.   A hundred or so sweat-soaked, scantily clad dancers gyrate under the glare of strobe lights, disco balls and smoke machines.

9.   Above its octagonal dance floor, equipped with the usual strobe lights, hangs not a mirrored disco ball but a mirrored saddle.

10.   Flags flutter and spotlights illuminate the hanging disco ball and the kinetic sculpture that expands and contracts overhead.