evolution of music players

• 1877 - Thomas Edison invents the phonograph.
  
• 1887 - Emile Berliner patents gramophone, using flat zinc discs.
  
• 1896 - Nikola Tesla invents radio.
  
• 1906 - First radio program of voice and music is broadcast. Reginald Fessenden broadcasts the program using a continuous wave of electromagnetic energy from Brant Rock, Mass.
  
• 1929 - Frequency Modulation (FM) radio introduced.
  
• 1934 - Semi Joseph Begun builds first tape recorder for broadcasting.
  
• 1948 - Columbia Records introduces the long-playing (LP) record, which is played at 33.3 revolutions per minute (RPM).
  
• 1949 - RCA introduces 45-RPM records.
  
• 1965 - 8-track magnetic tape introduced.
  
• 1969 - Internet created.
  
• 1979 - Sony Walkman cassette player introduced. (By 1995, 150 million sold.)
  
• 1983 - Sony and Philips introduce compact disc technology.
  
• 1986 - Sony develops MiniDisc technology, six years prior to its commercial launch in 1992.
  
• 1989 - The Fraunhofer Institute in Germany patents MP3 format.
  
• 1992 - Philips introduces the Digital Compact Cassette (DCC). Both Sony (with the MiniDisc) and Philips (with DCC) hope to takeover where audiocassettes left off.
  
• 1998 - First MP3 players introduced (Saehan's MPMan, sold in Korea).­ ­