This subtitle applies to commercial, religious, political, civic, or free speech activities only:where the application is clearly indicated; or where religious, fraternal, civic, political, charitable, or civic organizations provide entertainment, as in the case of “fund raisers” or similar activities. This subtitle does not apply to:City-sponsored events in public parks; sound equipment used at any professional sports stadium; or any public service company, as defined in State Code <cite data-path="|78">Article 78</cite>. City Code, 1976/83, art. 19, §§220(parts), 221(d) Ord. 99-548