Emma Fraser has just finished performing in Glasgow Music Theatre's production of The Threepenny Opera, playing socially awkward, loveable thug Crookfinger Jake. Thrust back into the real world, Emma hits the 'post-show blues' and finds that the real people of the world don't understand. But is that such a terrible thing? It’s a funny old thing, being in a musical theatre show. You invest hours of your life; getting to know your cast-mates, learning lines, memorising songs an