Ringo Starr's Double Life Since 1989, when he decided to give up various forms of substance abuse and rekindle his performing career, Ringo Starr has lived a double life, musically. In one, he is the principal attraction of the All-Starrs, a nostalgia band in which members of defunct groups from the 1960's and 1970's (this year's model will stretch into the 1980's) join Mr. Starr to take turns singing their hits. In the other, he pops into the studio every few years to record an album of new material. The two lives rarely meet: very few of Mr. Starr's post-1989...