Members of the Sacramento County Historical Society were treated to a guided sneak-peek tour of the Rock and Radio Museum and a talk from music collector Dennis Newhall and Mick Martin of Mick Martin's Blues Party Tuesday night. The museum, packed with Newhall's personal collection, normally only offers tours during Sacramento's Second Saturday Art Walks, but owner Newhall opened his doors to around 30 members as a part of the society's monthly meeting. As an example of one of Sacramento's low points in music and a nod to how far the city has come, the talk opened with a story of the cancellation of Lou Reed's show at the Memorial Auditorium after being oversold by just two rows. While t