"Hey, Soul Sister" is a song by American rock band Train. It was written by lead singer Pat Monahan, Amund Bjørklund, and Espen Lind. It was released as the lead single from the band's fifth studio album, Save Me, San Francisco.
The song reached number three on the Billboard Hot 100 chart and is Train's highest-charting song to date. It was the top-selling song on the iTunes Store in 2010, and the second overall best-selling song in the US in 2010. It is also the band's most commercially successful single to date, reaching number one in 16 countries.
