Question: What type of band did a cover of a single that sold two million copies from 1969 to 1970?

Related documents: [0]  [DOC] Doctor and the Medics are an English glam rock band formed in London in 1981. The group received their great success during the 1980s and are best known for their cover of Norman Greenbaum's "Spirit in the Sky", the group's hit single which reached No. 1 in the UK singles charts. The band currently performs, with a different line-up, as a tribute act to various artists. The group's musical style includes neo-psychedelia, glam rock, new wave and pop rock. [END] 
[1]  [DOC] "Spirit in the Sky" is a song written and originally recorded by Norman Greenbaum and released in late 1969. The single became a gold record, selling two million copies from 1969 to 1970 and reached number three on the US "Billboard" Hot 100 chart (April 18, 1970), where it lasted for 15 weeks in the Top 100. "Billboard" ranked the record the No. 22 song of 1970. It also climbed to number one on the UK, Australian and Canadian charts in 1970. "Rolling Stone" ranked "Spirit in the Sky" No. 333 on its list of the 500 Greatest Songs of All Time. The song was featured on the 1969 album of the same name. Cover versions by Doctor and the Medics and Gareth Gates have also made the number 1 spot in the UK. [END]  
Answer: English glam rock band
English glam rock band