William B. Walker and his wife Mary, of Des Moines, bought a piano &quot;for all of the children and they can take it from there,&quot; Mary said. &quot;We make up our songs and we sing a lot. We have a good time. The kids mostly want to stick around home.&quot; Children are, clockwise from left, Valerie, 6; Harry, 7; Archie, 9; Calvin, 10, and at right on piano bench, Callie, 8.