sentences:  When he reached New Orleans, three benefit concerts were held in his honor, in which he participated.New Orleans' musical innovators and musical elite, including Jelly Roll Morton's teacher, William J. Nickerson, took part in the concerts.The welcome committee that organized the concerts for Dédé overlapped with the membership of the Citizens Committee, the group of social and legal activists who brought the legal challenges that led to the Plessy v. Ferguson ruling in 1896.