If you were to survey 100 people about their favorite summer activities, chances are live concerts, swimming and sightseeing would be mentioned. And this week, Cape’s got all three. First up, the Show Me Center welcomes a band that was nearly sued by the Chicago Transit Authority. It was all about copyright, as the band was called the Chicago Transit Authority before shortening its name to Chicago. This classic “25 or 6 to 4” band has seen albums in the top 40 for six consecutive decades.