start at the beginning - DS now has an electric guitar. His sole accomplishment so far is to play the opening bars of "Smoke on the Water" (Deep Purple) and the odd riff that is not totally discordant. (I think he's trying for discordant BTW.)
This AM - he's playing that over and over. DH gets out his guitar (a Martin) and starts trying to echo DS. DD receives permission to use the "cheap" guitar ("student guitar"). DS show her which frets to hit the E string in order and next thing you know the three of them are playing it VERY VERY SLOWLY.......
DD is now trying to work on her speed - the guitar is only slightly smaller than her.
Cheryl