In the county
Gallery Blanc presents "Mettle Matters"
Synopsis: Gallery Blanc is back occupying vacant retail space for a special weekend exhibit featuring artists David Haines and Jim Roberts.
When: 5-8 p.m. Friday, noon-6 p.m. Saturday and noon-5 p.m. Sunday
Where: 140 Village Shopping Center, Westminster
Admission: Free
Information: http://www.140village.com
A Month of Sundays concert series debuts
Synopsis: Westminster's popular summer concert series returns with a performance by Say Chance.
When: 6:45 p.m. Sunday
Where: Westminster City Park, 11 Longwell Ave., Westminster
Admission: Free, but a donation of a personal care item will be collected to benefit Human Services Programs of Carroll County
Information: http://www.westminstermd.gov
In the region
The Global Warming Tour
Synopsis: Fresh off his second season as an "American Idol" judge, Steven Tyler is back on tour with legendary rock band Aerosmith this summer. Cheap Trick is also part of the tour.
When: 7:30 p.m. Tuesday
Where: Jiffy Lube Live, 7800 Cellar Door Dr., Bristow, Va.
Admission: $46-$176.50
Information: 703-754-6400 or http://www.livenation.com
Kaskade's Freaks of Nature Tour
Synopsis: He was named the top disc jockey in the country by "DJ Times" and he is embarking on his most significant tour yet.
When: 8 p.m. Friday
Where: 1st Mariner Arena, 201 W. Baltimore St., Baltimore
Admission: $61.35
Information: 410-347-2020 or http://www.baltimorearena.com