Author and musician Elijah Wald will present a combination talk and concert at the library on Monday, September 16, at 6:30 p.m. Wald’s newest book, “Jelly Roll Blues: Censored Songs and Hidden Histories,” is a journey through the censored voices of early blues and jazz, guided by the songs and memories of Jelly Roll Morton. Morton became famous in the 1920s as a composer and bandleader but got his start as a singer and pianist entertaining customers in the honky-tonks and bordellos of New Orleans and the Gulf Coast. He recorded an oral history of that time in 1938 for the Library of Congress, but the most distinctive songs were hidden for over fifty years, because the language and themes were as wild and raunchy as anything in today’s most explicit rap lyrics. This talk and concert is free and open to the public, and will take place in the lower level meeting room at the library at 581 Woods Hole Road. Eight Cousins Bookstore will also be in attendance selling copies of “Jelly Roll Blues.”