Speak Now is a song by American singer-songwriter Taylor Swift. The song, written and produced by Swift with Nathan Chapman, was released as a promotional single on October 5, 2010, by Big Machine Records from her 2010 album of the same name. Swift wrote the song about interrupting a wedding, after conversing with her friend, whose ex-boyfriend would soon wed to someone else, and having a dream about one of her own ex-boyfriends marrying another girl. The song relies on acoustic guitar and is a narration of from the perspective of a person who crashes her former love's wedding in attempt to win him back.
The song opened to critical acclaim for its lyrical detail. "Speak Now" had successful commercial outcomes in Canada and the United States, debuting and peaking at number eight on both the Canadian Hot 100 and the Billboard Hot 100. Its appearance on the Billboard Hot 100 marked Swift's sixth top ten debut, which made her the artist with the most top ten debuts in the history of the chart. "Speak Now" also managed to garner enough airplay to chart on the Hot Country Songs chart.
"Speak Now" entered the Billboard Hot 100 at number eight due to the sales of 217,000 digital downloads. With that week's appearance on the chart, "Speak Now" became Swift's sixth top ten debut and, therefore, set the mark that made Swift the artist with most top ten debuts in the history of the Billboard Hot 100, surpassing the five top ten entries earned by Mariah Carey from 1995 to 1998. Elsewhere in North America, the track debuted at number eight on the Canadian Hot 100. In Australia, "Speak Now" debuted at number twenty.