Connecticut always has the best shows being the perfect spot between NYC and Boston getting bonus shows for the fans! from the pop acts like Megan Trainor and MGK and Pitbull to Rush and Journey, there's a lot to go to in the small state!
you could see lawn shows at the meadows to shows at Mohegan Sun Arena free parking on site easy, hotels near by to stay over and a walkable area at the casino! Hartford Healthcare Amphitheater is another option also, right by the Metro North and Amtrak station. just a rife away from the city.
If you want more of an intimate experience, Toads Place is perfect, right by Yale right near the best pizza in the world and the venue has great history.
Aly and AJ, Switchfoot, Christ Stapleton Rainbow Kitten Surprise are all great live acts, Charlie Puth and 5SOS are such throwback concerts as well coming around.