 On February 3 , 2009 , Down was announced on -and later removed from- the lineup for the 2009 Bonnaroo Music Festival in Manchester , Tennessee , a large annual outdoor music festival since 2002 . On February 18 , 2009 , Down was announced in the lineup for the 2009 Roskilde Festival in Denmark . Following these live dates , the band toured the USA and Canada during August and September 2009 . On March 30 , 2009 , Down posted a statement on their message board indicating that they will be back in the studio from October through November writing and recording what will eventually become Down IV . In the summer of 2009 , Down began a US tour without Rex on bass , who had developed acute pancreatitis . 
