The English singer-songwriter Billy Bragg joined the Solidarity Sing Along, the daily musical protest at the Wisconsin Capitol, for some pro-labor, anti-Scott Walker tunes, including "There is Power in a Union," a song he wrote. He will be performing at the Barrymore Theatre on Tuesday evening in a celebration of the 100th birthday of Woody Guthrie.
The following is a collection of tweets about the appearance, aggregated using Storify.
