At first, it's what you'd expect of a B side: a little rare – just some shabby electric piano and acoustic guitar, spiked with la-la-las. But then it kicks into a low-fi rush of psych metal, magnifying Beck's bummed-out lament about the "vampire voltage in my soul." The octave-fuzz guitar licks are pure Sabbath – if only Danger Mouse had put a spit-shine polish on it.

“Youth Knows No Pain”

“Like on 'Youth Knows No Pain' — we are the ones that should demonstrate, because we can take it,” Likke Li said. “We can pierce ourselves, take Ecstasy, dance all night and still go to work at our McDonald's jobs.” Despite the hedonistic sentiment in the song, the Swedish singer also admitted in hindsight her youth had repercussions. “I remember when I was 18-19 and feeling that I know it all,” Li said. “I always feel that I know it all. But that song is about realizing you don’t, and reflecting, ‘Boy, if I only knew what would follow.’”