I had a look on the British Newspaper Archie, lots of people with the letters after the name (some with Honours) and all music teachers but can't the full version of the abbreviation anywhere. Most of them also seem to be in Scotland. Martin Briscoe Fort William [email protected] -----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Pamela Marsden Sent: 24 September 2013 12:47 To: Jill Muir; [email protected] Subject: Re: [GLA] Welsh Translation please? I think GTSC is some kind of educational qualification, particularly to do with music. I have come across it several times after names while browsing through Welsh newspapers online. C could be certificate.