If they're not sold out yes you can....
If there's tickets available you can. Down load the Ticket Master App. That's what I use. Super easy. Down load the Live Nation App too. You can have food a beverages delivered to your seats at no extra charge.
If not sold out yes
If the show has not sold out, tickets can be purchased online or at the box office at the venue the day of
I've always bought tickets online with no problem.
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