This cassette tape is from a wonderful swing band called The Wolverines. They were very popular here in Minneapolis/St. Paul area (that is in Minnesota, in case you are wondering). I was one of their many fans, and saw them in person back in the late 1970s and 1980s.
Their full name was "The Wolverines Big Band," and this cassette tape is "It's About Time!"
I wish I still had a cassette tape player to play this.
Imagine being in a ballroom, with people packed in to swing along to big band songs and the occasional "girl singer." Those were great days!
Songs include: My Wild Irish Rose; Poor Little Rich Girl, Brown Water Stomp, A Foggy Day, Everything but You. The titles are listed in the second photograph. You can see that it says "side one" and "side two." There aren't sides to a cassette tape. I wonder if they also had an LP (vinyl) record and just copied that info.