Omar Pimienta, Athenaeum Music and Arts Library Written by Drew Snyder 9:19 p.m., Feb 22, 2011 Walking into to the rotunda of La Jolla's historic Athenaeum Music and Arts Library has seldom felt so strange as last Friday, when Omar Pimienta's Defragmentation: Or Of How To Get Rid Of My Memory Voids opened to the public. Since a curved wall is not exactly the ideal place to hang a picture, the rotunda's shape challenges the norms of conventional art displays. More so than the standard white-cube, the round form requires that, to be successful, an exhibition must take a particularly thoughtful curatorial approach. In an ideal situation, the content or meaning of t...