How better to escape the glum omnipotence of The Darkness than to curl up with five CDs of AC/DC? Bonfire is a tribute to the randy gifts of original singer Bon Scott. A couple of live CDs from 1979 capture the band’s power, the way they evoked abandon with such military precision. Another disc of rarities provides the requisite archaeological factor (“Whole Lotta Rosie” stemmed from a song called “Dirty Eyes”! Who knew?). Better still, an NYC radio session from 1977 is a match for any of the Scott-era studio LPs. A mark docked, though, for the cynical inclusion of the first post-Scott LP, Back In Black, as Disc Five. A rock landmark, for sure, but do the band’s devotees need another copy?