Over the weekend, Charli XCX treated concertgoers at two European festivals -- Positivus in Latvia and Ilosaarirock in Finland -- to, in her words, "a brand new song...about chilling the fuck out." With a scuzzier rock edge and New Wave-y shout-sing vocals, "Mow That Lawn" sounds a lot different than the pop we're used to hearing from Charli. Stereogum is reporting that the song was originally supposed to appear on an "aggressive, new wave-y punk album" she recorded in Sweden but eventually abandoned in favor of Sucker. No word on whether the album will be resurrected or if "Mow That Lawn" will appear on a different release but either way, hear a new side of Charli in these two videos above and below. The first is audio-only from her set in Latvia while the second is a fan video of her performing the track in Finland though the sound quality is iffy.