Many thanks to you all for your most helpful replies. And a special thanks to the member who sent me a personal message to say that I'd had some. replies Being a novice at forums, I thought I'd get email notifications if I had any replies so hadn't realised I had all these helpful messages.
My daughter can't read music and wants to play to accompany herself when she teaches Morris dancing but only on the occasions when the 'real' musicians can't make it. Trying them out is a good idea so I will call Hobgoblin. Also, the point about finding a teacher is a good one so I will have to look