You could gaze at the stars from a field, or you could go to an observatory to do serious stargazing.
Your pooch will love the fresh air and exercise, and you will have a go-to topic to chat about. If you don't want to get on stage, just critique the other singers. Check calendars for convention centers, performing arts halls, parks, social clubs, and the like. Whatever you find, you'll have plenty to talk about. There's no better way to bond than shooting your way through House of the Living Dead.
Matinee shows have it all: cheaper tickets, emptier theaters, cleaner floors. Head to a busy place—a mall, train station, downtown area—and enjoy the sites.
Bonus points if you haven't seen the movie he picks and vice versa.
Find a groovy hangout somewhere, even if it is a fantastic bench in a park. Try humble, cute dates, even if it is just a beer on the porch, listening to good songs.