Because Hershey Park has a Wurlitzer 153 as well. William E Black apparently worked at that carousel at one point in his life too. His own Wurlitzer 153 and Wurlitzer 165(one of only 11 existing) and 2 of his other organs got sold to American Treasure Tour and have been there since 2011. They are usually available for public visits.

For now it can be heard completley here kzfaq.info/get/bejne/htWngLOUsMmvpac.htmlsi=G1ghCRPaLL8tm3VJ

"Spiffy, American Emblem, Down Main Street, Arbitration, On The Pier, Columbia, School Mates, Junior High, The Black Prince, Here They Come, Beer Barrel Polka, Umbrella Man, Just One Girl, After The Ball, Sidewalks of New York, School Days, I Wonder Who's Kissing Her Now, Down By the Old Mill Stream, In the Shade Of the Old Apple Tree, My Wild Irish Rose, Little Annie Rooney, When you Wish Upon a Star, Golden Plume, Paean Of Triumph."

Sweet rosie o'grady is one of the other ones

@@Mcwurlitzer The tunes Just one Girl, After the Ball, Sidewalks of New York, School Days, I wonder who's kissing her Now, Down by the Old Mill Stream, Sweet Rosie O'Grady, In the Shade of the Old Apple Tree, My Wild Irish Rose, and Little Annie Rooney are the entire(all tunes of) Waltz Roll 13119.