Moottorin Jyrina (trans. "Rumble of [an] engine") is a children's heavy metal band from Helsinki, Finland.Moottorin Jyrina plays cover songs from classic 1980s heavy metal songs (from such bands as Iron Maiden, Motorhead and Ozzy Osbourne), with new, child-friendly Finnish language lyrics. Most of the lyrics have an educational tone. The band appears in both children's and adults' events. The name of the band is a parody of Motorhead. Peikot is their third album release.