Bachman-Turner Overdrive, often abbreviated BTO, are a Canadian rock band from Winnipeg, Manitoba, founded by three brothers: Randy Bachman, Robbie Bachman and Tim Bachman; along with Fred Turner, in 1973. Their 1970s catalogue included seven top-40 albums and 11 top-40 singles in Canada. In Canada they have six certified platinum albums and one certified gold album; in the US they have five certified gold albums and one certified platinum album. The band has sold approximately 30 million albums worldwide and has fans affectionately known as "gearheads". Many of their songs, including "Let It Ride", "You Ain't Seen Nothing Yet", "Takin' Care of Business", "Hey You" and "Roll on Down the Highway", still receive regular play on classic rock stations.
The original line-up consisted of Randy Bachman, Fred Turner, Tim Bachman and Robbie Bachman. This line-up released two albums in 1973. The second and most commercially successful line-up featured Blair Thornton, in place of Tim Bachman. This line-up released four albums between 1974 and 1977, including two that reached the top 5 in the U.S. pop charts, as well as the band's only U.S. No. 1 single.