Cost of a concert ticket in the 70's?

about 30 to 40 dollars not even that but now there like 200 or sumthing

i no Selena Gomez

her email addy is

selena_gomez@live.com.au

and its really her

she went on cam for me and everthing

better hurry up coz its not her cam

its mileys

don't missout

I went to an Allman Brothers concert in 1972 and it cost $6.50