SPECTSOUND for the 16K Spectrum was written in 1982 and shows remarkably how much Spectrum programming has advanced since then. Once loaded, you have to RUN the program and, worse still, you have to break into it to save or load a tune. As a bonus, if you enter GOTO 45 instead of RUN and then press the B key you are treated to an inaccurate rendition of Hava-Nagila.
The program is not simple to use, the instructions not being clear.
The keys are very slow to react when you are playing and as the only on-screen representation of the notes is their code numbers, you can lose track of your tune quickly. When playing back a tune, you have the option of seeing the code numbers and duration of the notes but that display does not scroll itself automatically.
When the program was first written it may have been useful; it no longer seems to be. It can be obtained from PDQ Software.