The most expensive music format (in the world)

Top 10 Most Expensive Music Videos In The World

13 Sites to Find Free Creative Commons Music for Videos

How the Cassette Changed the World

Eric Clapton's The Fool becomes one of the most expensive guitars ever at auction

Journal on the Art of Record Production » Future Music Formats: evaluating the 'album app

THE BEST SOUNDING FORMAT (part 2b): 2 Track Reel to Reel Tape

The Short List: Five of the Most Expensive Vinyl Records

Thinking about trying reel to reel?, Page 9

Part 2: Evolution Of Recorded Music - Analog Tape

Has MP3 been replaced by a better format yet? - Quora

open-reel The Road Less Travelled