Is this the Charles Goodwin, son of Emily/Elizabeth in 1851:
https://search.findmypast.co.uk/reco...1%2F0004022079
Charles Goodwin Head Married Male 25 Teacher Of SingingSt Andrew's, Middlesex, England
Eliza Goodwin Wife Married Female 20 - Plymouth, Devon, England
This is not so bizarre as you might think as Cecilia Ann Brace was living with Frederick Fitchett, a musician, in 1881:
https://search.findmypast.co.uk/reco...1%2F0001954625