The debut EP “One” from Catherine McGrath, the singer we were introduced to at the Under The Apple Tree Festival in a Day at Cadogan Hall, is a perfect example of how to introduce yourself to the wider public. It has an acoustic bass and a couple of acoustic guitars but otherwise the spotlight is left to shine on Catherine and her ability to sing, write and interpret songs. The opening track, “Hell Would Have To Freeze Over” is a hilarious list of requirements needing to be f