an Entity references as follows:
The Wall – Live in Berlin was a live concert performance by Roger Waters and numerous guest artists, of the Pink Floyd studio album The Wall, itself largely written by Waters during his time with the band. The show was held in Berlin on 21 July 1990, to commemorate the fall of the Berlin Wall eight months earlier. A live album of the concert was released 21 August 1990. A video of the concert was also commercially released.