Music City Improv has been gaining real momentum with its newly revamped blend of stand-up, improv and video sketches. Four consecutive packed houses have induced the company to keep its mojo working overtime, performing on back-to-back Fridays. On Oct. 15 it’s Vaccination Goodtime Girls Improv Show, billed as “a return to pure improv,” featuring some special guests and also a set from members of the troupe’s training program. (Bring a latex glove for $1 off admission. Honest.) Then, on Oct. 22 comes a so-called Evening of Refinement and Comedic Intrigue, with antics led by MCI’s fearless right-thinker, Blake Wylie, who directs, hosts the show in a tux (while sipping whiskey and establishing a Rat Pack feel), and contributes to the multimedia material. (Next thing you know he’ll be announcing his write-in campaign for governor.) It’s BYOB (Bring Your Own Bourbon), and those who bring a pipe or piece of mahogany get $1 off admission.