San Francisco - Wolfgang's Vault, a site that sells vintage rock memorabilia and concert recordings, announced on Wednesday the online re-launch of Crawdaddy, the rock music criticism magazine founded in 1966 by Paul Williams. Williams will serve as an advisory editor for the online version, a new issue of which will be posted online every Wednesday. The online version will feature contributions from Williams, a music news blog, and profiles, features and interviews with both well-known and emerging artists ranging from the 60's through the present day.