Lauren had not heard anyone rock out with a button accordion or a washboard, however, until she witnessed Danny and Michelle Jerabek in action Wednesday.

"They kind of sounded different to me, and I liked it," Lauren said.

The Jerabeks are the husband-and-wife team leading Copper Box, a high-energy band from Oshkosh whose sound has been dubbed squeezebox rock.

The duo introduced different instruments and musical genres to Lauren and 360 other students at Lakeview Elementary School during two miniconcerts.

The performances were sponsored by the Lakeview Parent more »