ARTISTDirect
Terrific resource for locating information about artists, tour dates record and song titles.  Also links you to websites about the various artists.

Historic American Sheet Music
The Rare Book, Manuscript and Special Collections Library at Duke University holds a significant collection of 19th and early 20th century American sheet music. The Historic American Sheet Music Project provides access to digital images of 3042 pieces from the collection, published in  the United States between 1850 and 1920.

Lyrics Library
This a comprehensive collection of links and lyrics websites. Locate folk, rhythm and blues, jazz, television and movie jingles, international and children's songs on this site.  

Popular Music Index
Browse popular song titles containing keywords on this site which is hosted by the University of Washington Libraries.

Rock and Roll Hall of Fame and Museum
Web site for the Cleveland Rock and Roll Hall of Fame.

Rolling Stone
Rolling Stone magazine's website.

Sheet Music Direct
The Internet's largest source of legitimate, copyrighted sheet music - available for secure purchase on-line and delivered in seconds direct to your PC printer.

Smithsonian Folkways Database of Recordings
Database of recordings originally issued by Folkways, Smithsonian Folkways, Paredon, Cook, and Dyer Bennet labels, covering the years 1948 to 1986. Over 35,000 track listings, searchable by album or song title, year recorded, label, instrument, genre, or ethnic, national, and geographic attributes. 

Song File.com
Search this database of over 2 million different songs. Locate lyrics, licensing information, music links, concert tickets, sheet music and musical instruments on this site.