The Music from Matthew Barney's Drawing Restraint 9 is the second soundtrack album by Björk, released on 25 July 2005 in the UK and on 23 August 2005 in the US. It was composed for Matthew Barney's Drawing Restraint 9, which Björk co-starred in as an "Occidental Guest", acting as the ninth installment of his ongoing Drawing Restraint film series.
The album was re-released in 2006 as a DualDisc including new DTS 96/24 5.1-channel surround sound mixes on the DVD-audio side, plus the extra track "Petrolatum". The DualDisc also formed part of the Surrounded box set.