I don't know why but almost everything I'm posting seems to be Scottish - and old. This is really old, ie from my childhood, when I loved it dearly and I love it now. I believe one of the KLF might have been the manager of Strawberry Switchblade - and no doubt if you're more inclined than me you can find out.
What I do know is one of the singers went on to a band called Death In June, who were fantastically gloomy.
Unlike this which is bittersweet, or sweetbitter, take yer pick.
And this is Since Yesterday by Strawberry Switchblade: