Grateful Dead's legendary Wall of Sound system, which redefined concert audio, is chronicled in Brian Anderson's new book 'Loud and Clear.

When journalist Brian Anderson acquired a crumbling speaker monitor from the Grateful Dead’s legendary 1974 Wall of Sound via a Sotheby’s auction, it wasn’t just memorabilia he was after ...

When journalist Brian Anderson acquired a crumbling speaker monitor from the Grateful Dead’s legendary 1974 Wall of Sound via a Sotheby’s auction, it wasn’t just memorabilia he was after ...