What I expected was stand-up, with a definite nod to the 12 steps of recovery, as so many comics before have been through. What I didn’t expect was original songs, wrenched from the gut slam poetry forged in bodily fluids and the feverish imaginings of a person scraping through the mud, and tales of comrades on the same campaign, struggling with the same demons, searching for those angels of their better nature. Richard Lett has been a moderately successful stand-up comic for several decades, but like so many performers, courage, creativity and reactions came supercharged from external chemical changes. Not...