Toledo Zoo Amphitheatre | 7 p.m.

Rock legend Robert Plant and bluegrass icon Alison Krauss present their Can’t Let Go Tour.

Tickets at Ticketmaster.com.
Tickets: $59.50 to $175 plus applicable fees.

The tour features songs from their two critically acclaimed collaborative albums Raising Sand and Raise the Roof. Raising Sand, released in 2007, won album of the year at the Grammy Awards in 2009.