X5 Music Group is a record label based in Stockholm, Sweden with a branch in Manhattan, New York. Founded in 2003, it is a digital-only label that primarily licenses pre-existing music for compilation albums. X5 originally focused on classical music, and in 2011 its custom album The Greatest Video Game Music, featuring the London Philharmonic Orchestra, debuted at #23 on the Billboard 200. Since 2009 the company has had 24 albums on the chart; all 24 were custom digital releases produced by the label.
They have a partnership with Universal Music Group called U5, which releases approximately 50 digital compilation albums per month. In 2013 X5 was named one of the Red Herring "Top 100 Most Innovative Companies in Europe.
In June 2016, X5 was acquired by Warner Music Group.