That's no way to treat an expensive musical instrument!
In the 1950s, he wanted to return to active studies but much of the field was already filled with very large and expensive instruments.
One of the primary attractions was that it did not require great musical skills or expensive instruments to be played.
"We have a very expensive instrument and we don't want to do anything to harm it."
Moreover, the performance advantages of the more expensive digital instruments may be waning.
Here was compelling sound created without formal training or expensive instruments.
When it came to the point, those extremely expensive instruments, the torpedoes, had simply failed.
It was the most expensive instrument to be had - a Clementi.
An orchestra is such a large and expensive instrument that composers do not often have a chance to experiment on one.