Day campers at the Kern County Museum went through a week of musical madness from July 17-21. It is not a permanent condition, just a temporary state of joy induced through careful planning and expert execution. Music Madness was the theme of the half day camps, at which a couple of dozen campers, ages 5-12, dealt with everything from making their own maracas to finding the whereabouts of a mythical character named "Maraca Joe." Music Madness was the fifth of six, summer, half day camps offered by the museum. The sixth, Science Magic, takes place the week of July 31-Aug. 4 All of the camps have been sellouts. In addition, the museum and the California Living Museum (CALM) are combining forces for two weeks of full day camps on July 24-28 and Aug. 7-11. On those dates, campers will be at the museum all day, spending half the day having fun and learning with museum staff and the other half doing the same with CALM's crew. More