This site offers sound files from Brahms's Symphony No. 4 and his Cello Sonata op. 38, along with biographical information on the composer. (
http://www.bbc.co.uk/music/profiles/brahms.shtml
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This NPR radio show discusses Mahler as a composer in the summer with description and performance of his Fourth Symphony. (
http://www.npr.org/templates/story/story.php?storyId=4801501
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On this site you will find historical information on the First Symphony of Mahler along with a complete sound file of this work. (
http://www.bbc.co.uk/radio3/classical/listen/mahler_symphony1.shtml
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This BBC site offers a biography, sound files, and information on the frequent broadcasts of the music of Dvořák. (
http://www.bbc.co.uk/music/profiles/dvorak.shtml
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This site chronicles the year Dvořák lived and composed in America along with sound files of several compositions with connections to his time there. (
http://music.minnesota.publicradio.org/features/9909_dvorak/
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This site includes biographical information on Dvořák and video presentations of his works including his Symphony no. 9 ("From the New World"). (
http://www.kennedy-center.org/calendar/index.cfm?fuseaction=showIndividual&entity...
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This site discusses Dvořák's Symphony no. 9 ("From the New World") and reviews some of the best recordings of this milestone work. (
http://www.classicalnotes.net/classics/newworld.html
)