Complex sentence: Thåström grew up in Högdalen and Rågsved, working class suburbs south of Stockholm, where he during 1977-1982 was the lead singer of punk band Ebba Grön.
Split into simpler sentences: Thåström grew up in Högdalen and Rågsved, working class suburbs south of Stockholm. Where he during 1977-1982 was the lead singer of punk band Ebba Grön.