Sentence:  The application of staccato chords has to be strictly limited in <WSD>unacoustic</WSD> places, but in resonant buildings, staccato chords, used judiciously, have a very fine effect, as they evoke the echoes from the building in a more effective way than a long sustained chord, however promptly released. 
Meaning of the word marked with <WSD> tags:  Having poor acoustic properties; not conducive to the projection of sound; tending to muffle or muddy sounds.