By A Mystery Man Writer
What is R2R tape and what's so great about it? – Dave Denyer: The Reel-to-Reel Rambler
10 of the Most Valuable Cassette Tapes From the '80s and '90s
Cassette Revolution: Why 1980s Tape Tech Is Still Making Noise in Our Digital World, by Collectors Weekly, Lisa Hix
The Rise Of The Cassette Culture - Bobby Owsinski's Music Production Blog
Cassette Tapes: The Birth, Rise, Fall and Comeback
Audiocassette
History of the Audio Cassette – Kodak Digitizing
History of the Cassette Tape – Legacybox
Do audio cassettes have better, richer sound than CDs, in the same way that digital photography is barely reaching the resolution of film camera? - Quora