1.   An electronic instrument requires no tuning and very little maintenance.

2.   Fortune moves easily between flute and saxophone, although he concedes the instruments require vastly different approaches.

3.   Sometimes, the new digital instruments require playing in a style that resembles performance art.

4.   The instrument requires cool detectors to measure the heat of distant objects.

5.   He pointed out that the application of derivative instruments in general requires a comprehensive training programme at all levels to ensure it is being managed professionally.