It's the high-wire act of the theater world: solo performance. Some of the country's most notable performers hone their craft in the Bay Area and perform nightly. Spark uncovers the years of effort that go into developing most original solo shows. Travel along the bumpy road of the creative process with monologuist Josh Kornbluth as he mixes humor, angst and the IRS in his latest one-man show, "Love and Taxes." See how the solo performer known as Derique has resurrected hambone, an art form that dates back to the time of slavery, and made it his own. And finally, go backstage with comedian Donald E. Lacy Jr. at the AfroSolo Arts Festival: An Explosion of Comedy.