Tex Perkins has played a key role in Australian music It’s understandably difficult to pull together a coherent picture of a man whose career has taken in everything from the groundbreaking experimental punktonica of Sydney mid-80s noiseniks Thug to the lilting, dark country of his recent material with the Dark Horses. From the hard edged pub rock of the Beasts Of Bourbon’s, a snarling slice of filthy pub rock to the evocative soundscapes of The Cruel Sea, whose extraordinary 1991…