Barbershop music in tags or codas, or when some appropriate embellishment can be created. One characteristic feature of barbershop harmony is the use of what is known as "snakes" and "swipes." This is when a chord is altered by a change in one or more non-melodic voices. Occasional passages may be sung by fewer than four voice parts. Barbershop music is generally performed by either a barbershop quartet, a group of four singers with one on each vocal part, or a barbershop chorus, which closely resembles a choir with the notable exception of the genre of music. According to the Barbershop Harmony
Do You Hear the People Sing? protesters who have interrupted TTIP congresses as flashmobs singing the song. The song was also used in support of the Maidan protests by Ukraine 2020, who released a music video for the song on YouTube. In 2016, the song was used as a protest song in South Korea's nationwide Park Geun-hye resignation movement. On September 16, 2016, during his presidential campaign, Donald Trump used the song in a rally in Miami under the parody title "Les Déplorables", a response to Hillary Clinton's controversial "basket of deplorables" label. Do You Hear the People Sing? "Do You Hear the People Sing?" ("À