Best way to buy concert tickets!

well on saturday they are selling tickets at exactly 10 am to a concert me and my friend are going to go to and its in the gibson amphitheatre and i was wondering what the best way to buy tickets is!?like ticketmaster!?or just go to a store like macys to buy the tickets!?if you do go to a store like macys do u get the tickets then and there!? what is the best way to get really good seats!?Www@Enter-QA@Com

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