Lars Olof Gustaf Ljungstr?m, born in 12 August 1961, is a Swedish singer and musician. Ljungstr?m grew up in Vaxholm. He was a singer in the Swedish group Reeperbahn. He then formed a duo named Heinz & Young with Heinz Liljedahl (from the band Ratata). The duo was signed to Stranded Rekords and released only one album entitled Buzzbuzzboys... in 1984. He is now a solo singer signed to MNW and later on to Metronome.
He has also contributed to Wilmer X's record Hall? V?rlden, with the song "Jag ?r bara lycklig n?r jag dricker" (translates to "I'm only happy when I'm drinking).