<Li> Scent, provided by flower bearers or censers of incense . </Li> <Li> Skilled performers, such as acrobats or dancers </Li> <Li> Special costume: traditionally, the costumes of acolytes, footmen, ceremonial guards, or slaves help show off the wealth of the person staging a procession . An ornate example was the embroidered train of George IV of the United Kingdom, carried at his coronation by nine lords in waiting with their own matching silken clothes, capes, ruffs, and plumed hats . Other examples include the Swiss Guard and high vestments of the Pope . The formal, matching clothes of bridesmaids and groomsmen are in the same tradition, although sometimes purchased at the attendant's expense rather than by the people honored in the ceremony . In egalitarian times and places, whoever has taken the time and money to put together something impressive may appear in a parade; such costumes are of course the focal point of Halloween parades such as that staged in Greenwich Village, New York . Finally, processions may be staged simply to show off the costumes as one part of a larger event, such as at fashion pageants, military reenactments, pop concerts, or Renaissance Festivals . </Li> <Li> Special lighting: candlelight vigils for the deceased or to show political solidarity often include a candlelit procession . Fireworks illuminate such diverse events as coronations, parades, and Thai royal barge processions . </Li>

Which one of the following would be used for elaborate military functions or public concerts