Please answer the following question: What type of details about gary wagner -lrb- disc jockey -rrb- can be gathered from the following bio? Bio: gary '' the wagman '' wagner -lrb- born july 8 , 1950 -rrb- is a disc jockey , radio personality and host of radio show , '' nothin ' but the blues '' on radio station kkjz 88.1 in long beach , california . the show is broadcast every saturday from 2:00 pm until 6:00 pm , and sunday from 2:00 pm until 7:00 pm pst . kkjz -lrb- 88.1 mhz fm , kjazz -rrb- is a non-commercial public radio station in southern california broadcasting from the campus of california state university , long beach .
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