The Hollies Long Cool Woman in a Black Dress (1975) "Long Cool Woman in a Black Dress" (also titled "Long Cool Woman" or "Long Cool Woman (in a Black Dress)") is a song written by Allan Clarke, The Hollies Long Cool Woman in a Black Dress, Long Cool Woman in a Black Dress (also titled Long Cool Woman or Long Cool Woman (in a Black Dress)) is a Men's Dress Code for a Black Tie Event: What to Wear OTAA OTAA The Girlfriend's Guide to Cocktail Attire: A semi formal dress code for evening events, weddings, and upscale gatherings. Think: dressy but not stuffy. Cocktail attire has fewer rules than Black Tie and White