When your primary band has released 20 studio albums in 12 years (with three more to come in the next six weeks), it seems a bit preposterous to also have a side project with five albums and two EPs of its own. Such is the state of affairs for ever-prolific King Gizzard and the Lizard Wizard multi-instrumentalists Ambrose Kenny-Smith and Cook Craig, whose sixth album with the Murlocs, Rapscallion, arrives Sept. 16 on ATO Records. For those of us who can barely remain functioning members of the human race on a daily basis, this level of output is, well, staggering. For Kenny-Smith and Craig, it’s basically just business as usual. “I feel like they’re way different bands inherently, because they’re set up differently,” Craig says when asked how he keeps all this music straight in his own hea...