Okay, not an entire tour, but four new dates for the upcoming outing by Alison Krauss and Robert Plant emerged in the daylight today. New listings include April 20 in Louisville, April 22 in Knoxville, April 23 in Chattanooga and April 26 in Alabama.

Jason Isbell heads across the sea to play a series of March / April shows in the Republic of Ireland. Cities include Limerick, Cork, Galway and Wexford; Lightspeed Champion adds March gigs in Toronto, New York, Philadelphia and Brooklyn; George Winston slots two nights in the Big Apple for November and Joan Baez adds March shows in Albany, NY, New Bedford, MA, Lebanon, NH, Englewood, NJ, and New Brunswick, NJ.

During the past couple of hours we also updated the schedules for Kate Walsh, Lesley Gore, Rihanna, Rosie Ledet, Roger McGuinn, Sean Costello, Solas, Solomon Burke, Taylor Dayne, The Delays, Victor Wooten, Ween, The Subdudes and The Tony Danza Tap Dance Extravaganza.

And the data keeps on coming! Get your latest dose of concert info in our last update of the day – The Closing Bell – coming up around 5 pm (PST) from Pollstar.com!