Magus on a Star Trek wrote:
The music rises to an exciting crescendo (itself a stock cue without a lick of originality)
Harsh. In my estimation, Ron Jones' score is one of the best things about the episode, and it keeps things moving even in light of some earth-shattering stupidity (which you mention).
Rob Bowman's direction is the other thing that keeps the silly script alive. The only thing to distract from the fact that the Klingons build a gun in the brig under the noses of the guards is the percussive editing (and music) in this sequence.