U.S. City Open Data Census
List of freely available datasets with up to 18 public metrics of cities within the U.S. (e.g., crime, zoning, health inspections, transit)
List of freely available datasets with up to 18 public metrics of cities within the U.S. (e.g., crime, zoning, health inspections, transit)
List of music-related databases
Open encyclopedia of music metadata (also including information on users' editing behavior)