President Barack Obama’s decision to sing a line of Al Green’s “Let’s Stay Together” has managed to help the economy. Since crooning a part of the tune at the Apollo Theatre, sales of the the classic Al Green number have increased by 490%, according to the Hollywood Reporter. As a result of the demand, the single had its best week since Nielsen began tracking downloads back in 2003. The presidential performance helped the song sell more than 16,000 downloads in the week ending Jan. 22, according to Nielsen Soundscan. The video of President Obama has been a social media hit garnering millions of views.