General Starting Places

• Academic Search Complete: One of the best general database covering all topics, interdisciplinary fields, and easy to search.
• Wilson Omnifile: Another good general database covering all topics, and interdisciplinary fields.
• Sociological Abstracts: The premier database for interdisciplinary topics in sociology.  You will find articles covering communication, sociology, anthropology, culture, and more.
• Arts & Humanities Citation Index : Multidisciplinary index covering most every field in the humanities. Indexes 1,114 journals.
  
• Encyclopedia of International Media and Communications : Online Encyclopedia with 200 articles covering communication and mass media concepts.
  
• Social Sciences Citation Index : Covers all areas of social science.
  

Communication Specific

• Communication and Mass Media Complete:  The most comprehensive communication and journalism database.
• Communication Studies: A SAGE Full-Text Collection  : Contains full-text articles for forty SAGE journals. Covers communication studies, cultural studies, mass media communication, journalism, and many more communication sub-disciplines.

Music Specific

• IIMP-International Index to Music Periodicals: Find articles covering all music topics.  1874-Present.
• Grove Music Online: This is actually a large dictionary and encyclopedia of music.  You can find some articles, biographies, musicology topics, learn instruments, sounds, genres, and even stream music live.
• Music Index Online : Over 800 scholarly and trade music periodicals
  
• Need Contemporary Music Biographies? Try Gale Virtual Reference Library
  

Industry/Business Specific

• ABI/Inform (Trade and Industry): Either search the general ABI/Inform database for business sources or the ABI/Inform Trade and Industry database for more specific articles on industry news.  Both will contain radio and music industry information.  You will find both scholarly articles and news.
• Business & Company Resource Center : Profiles of 300,000 companies worldwide; reports may include financial information, company histories, investment reports, rankings, and product information.  Also includes market research reports, in-depth industry overviews, and lists of related trade associations.
  Business Source Complete : Includes Company Reports and Industry Profiles.
• Business Source Complete: One of the premier databases for basic business information in a variety of fields, including communication, media, and music. You will find both scholarly articles and news.
• GlobalComms : Database of global wireline and wireless communications competitors. Tracks more than 900 companies, provides statistics and industry updates, and provides daily news summaries.