Additional
Information: Classic (pre-rock & roll) mainstream American pop performed either by individual singers or vocal groups. Traditionally the songs were written by professional songwriters and accompanied by an orchestra or a swinging big band.
Wikipedia: Melodic Music Wikipedia: Melodic Music: Defines "melodic" genre as the vocal-oriented popular American music style that came after big band music but before rock and roll, as exemplified by singers like Perry Como and Margaret Whiting. (Vocal) http://en.wikipedia.org/wiki/Musical_genre#Melodic_music
Jukebox: American Popular Music in the 1930s Jukebox: American Popular Music in the 1930s: Includes 40 audio files, with background and commentary. (Vocal) http://xroads.virginia.edu/~UG03/Jukebox/front.html
Ian Whitcomb's Literary Corner Ian Whitcomb's Literary Corner: Includes articles on Rudy Vallee, Duke Ellington, Irving Berlin, and the first crooners. (Vocal) http://www.picklehead.com/ian/literary.htm
American Popular Song American Popular Song: Message board and directories of singers, songwriters, movies, and shows. (Vocal) http://www.americanpopularsong.com/
Parlor Songs Parlor Songs: Collection of popular and classical sheet music from the 1800's to the 1940's, cover art, audio samples, composer biographies, and articles on the history, styles, and themes. (Vocal) http://parlorsongs.com/index.asp
JD Hay's Crooners JD Hay's Crooners: Library of songs in WAV format, including those by several pop artists and a 1950s collection. (Vocal) http://www.angelfire.com/retro2/croonerjd/index.html
Craig's BigBands and BigNames Craig's BigBands and BigNames: Historic reviews and photos from performers of the 1940s, 50s, and 60s. Includes old time radio broadcast, quiz, and message board. (Vocal) http://www.bigbandsandbignames.com/
AMG: Vocal Music AMG: Vocal Music: Overview of the genre, essay, key artists and albums, and recent releases. (Vocal) http://allmusic.com/cg/amg.dll?p=amg&sql=F0VOCAL
Golden Age of American Popular Song Golden Age of American Popular Song: List of writers and performers from 1900-1950; bibliography; links. (Vocal) http://www.freehomepages.com/lnyce