Some of music’s biggest acts—Jay-Z, Neil Young, Britney Spears—come out to play at the world’s most famous basketball arena. Whether you’ll actually be able to get a look at them depends on your seat number or the quality of your binoculars. The arena is far too vast for a rich concert experience, ugly and a little bit musty, but it remains part of the fabric of New York and begrudgingly beloved. There’s also a smaller theater within the complex.