The 25 Most Influential Musicians Under 25

Avicii is the most influential artist under 25, according to a new ranking from Spotify. The streaming service announced the top 25 musicians under 25 Wednesday morning which includes the "Wake Me Up" singer, Taylor Swift, Miley Cyrus, and Lorde. According to Spotify, Avicii was the first artist to reach one billion streams on the service. Spotify looked at musicians' number-one hits, stream growth, shares, and viral success over the past year to compile the list. Here are the top 25 below alon...