A post-punk Rush spiked with the sensibility and humor of Frank Zappa, Primus' songs are often secondary to showcasing their instrumental prowess. Led by elastic bassist and sole constant member Les Claypool, their music is willfully weird and experimental, but it's not alienating; the band was able to turn its goofy weirdness into pop stardom. At first, Primus were strictly an underground phenomenon, but in the years between their third and fourth albums, their cult snowballed. Released in 1991, Sailing the Seas of Cheese found mainstream success and spawned the alt-rock hit ...