Dean Stuart Wetter married Heart's Ann Wilson in 2015.

Mom's favorite performance of the night was Joey Alexander, the 12 year old piano virtuoso -- the evening's youngest nominee, and the only one to score a perfect "10" from both of us.

In very distinct mannerisms and voices, Bianco plays a sweeping orchestra of folks from a stuffy socialite to a pit bull assistant to a show tune singing child and everyone in between -- morphing into each man and woman in nanoseconds (with a new facial expression and accent).

Street Corner Renaissance (SCR) is a five man a Capella group from Los Angeles who won season 4 of NBC's "The Sing Off."

Natalie Merchant: "We're watching what's happened in other states with the contamination of aquifers and the devastation of previously rural areas that are now highly industrialized. There's also quite a bit of contamination of the air that occurs with hydraulic fracturing."