History of multitrack recording - Wikipedia

What is Multitrack Recording Software?

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8-track cartridge - Wikipedia

High Fidelity

How were multitrack music recording sessions in the days of analog tapes? - Quora

Did hit songs exist prior to the invention of recording technology? If so, how did that work? Were there novelty songs (like What Does the Fox Say) that had to be seen

Reel to Reel Tape Recorder Manufacturers Multi-Track - Museum of

Recording Studios: A History Of The Most Legendary Studios In Music

The Wire: How the tape recorder revolutionized the music industry

What was the first audio visual recording? - Quora