“Elmopalooza!” was made with both kids and adults in mind, because today’s parents are fond, too, of the show that taught them to read. This approach is good because it is a video that — theoretically ...

First came Woodstock. Then Live Aid. Now comes “Elmopalooza! Friday evening at 8 on ABC, stars of the stage, screen and concert halls will turn out for a musical extravaganza celebrating 30 years of ...