The brother who provided the beat behind such 70s hits from the Canadian rock band Bachman-Turner Overdrive as “Takin’ Care of Business” and “You Ain’t Seen Nothing Yet,” has died.

News of the passing of Robbie Bachman, at age 69, was posted on Twitter Thursday by his brother, Randy Bachman.

“Another sad departure. The pounding beat behind BTO, my little brother Robbie has joined Mum, Dad & brother Gary on the other side,” he posted. “Maybe Jeff Beck needs a drummer! He was an integral cog in our rock ‘n’ roll machine and we rocked the world together.”

No cause of death was mentioned.

After leaving the Guess Who in 1970, singer/guitarist Randy Bachman formed the band, originally called Brave Belt, with his brother Robbie, bass player C.F. “Fred” Turner and singer/guitarist Chad Allan, another former member of the Guess Who, according to Allmusic.com.

After becoming Bachman Turner Overdrive in 1973 – and the inclusion of another Bachman brother, Tim, for a time – the Winnipeg-based band landed two hits in 1974 from their album “Bachman-Turner Overdrive II”: “Let It Ride” and “Taking Care of Business.”

Third album “Not Fragile,” released in August 1974, spawned “You Ain’t Seen Nothing Yet” and “Roll On Down the Highway.”

Randy Bachman left the band in 1977 for a solo career and BTO disbanded two years later. The group reunited in 1983 without Robbie Bachman, who would return in in 1988, according to Rolling Stone.

The band, which continued to tour in various formations as BTO and Bachman-Turner Overdrive for many years, was inducted into the Canadian Music Hall of Fame in 2014.

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