Bachman Turner Overdrive Not Fragile signed album autographed by Randy Bachman, Blair Thornton, C.F. Turner and Robbie Bachman. 12x12 inches vinyl included Not Fragile is the third studio album by Canadian rock band BachmanTurner Overdrive, released in 1974. It proved to be the group's most popular album, and is the only BTO album to have reached No. 1 on the US Pop Album charts.