Gone Before Their Time: The 27 Club Podcast

Nat Jaffe was a swing jazz musician that lived from 1918-1945.

Sources:

Hall of Fame - THE FOREVER 27 CLUB - ORIGINAL

Nat Jaffe Songs, Albums, Reviews, Bio & More | AllMusic

Robert Johnson was a blues musician that lived from 1911 - 1938.

Sources: Hall of Fame - THE FOREVER 27 CLUB - ORIGINAL

Robert Johnson - Death, Songs & Blues - Biography

Biography - Robert Johnson Blues Foundation

Timeline - Robert Johnson Blues Foundation

Robert Johnson: The Life And Death Of A Mysterious Blues Legend (allthatsinteresting.com)

Robert Johnson: The Life And Legacy Of The Blues Giant (udiscovermusic.com)

The Death of Robert Johnson's Wife | Bruce Conforth - Academia.edu

Searching for Robert Johnson by Peter Guralnick | Goodreads

Robert Johnson: Legend of the Delta Blues by James Patrick | Goodreads

Brother Robert: Growing Up with Robert Johnson by Annye C. Anderson | Goodreads

Escaping the Delta: Robert Johnson and the Invention of the Blues by Elijah Wald | Goodreads

Up Jumped the Devil: The Real Life of Robert Johnson by Bruce Conforth | Goodreads

Louis Chauvin was a ragtime musician that lived from 1881 - 1908.

Sources:

Hall of Fame - THE FOREVER 27 CLUB - ORIGINAL

Louis Chauvin Biography, Songs, & Albums | AllMusic