Grunge veteran pledges double album to American left. Featuring John Paul Jones and Norah Jones

Respect, of course, to Grohl and co for the consistency of their earnest and industrious take on rock, presented with typical reliability throughout these selections from their 2002/2003 world tour. But three hours of electric, acoustic and—oh dear!—audio-only music is enough to bore the denims off all but the most besotted worshippers.