Birth Control's second album, Operation, stands as one of the band's finest recordings, getting the vote as the second best album of 1971 by one of Germany's leading music magazines. Operation has Birth Control employing a nine-piece string section as well as a smaller brass entourage in order to produce a larger sound, and while their progressive air is just beginning to flourish, a rather large difference in musical strength and instrumental craft is noted right away. Not fully abstract or left-of-center just yet, the powerful crunch of Bruno Frenzel's guitar surely leads the way, dominating the rhythms of every track while complimenting the aeronautics of the keyboard passages. With the tempos quicker because of the stern synthesizer work, the entire album moves along at a brisk pace…