Niskayuna High School students rehearse for the upcoming musical, "Sweeney Todd." (Rebecca Isenhart/Gazette Reporter)

Sweeney Todd comes to life on stage

Chew on this This year’s Niskayuna High School musical is a dark narrative of murder, revenge, insanity, corruption, and a little bit of good old-fashioned cannibalism. Watch the seedy underbelly of 19th century London come to life in “Sweeney Todd”…