1. Blanke wortels
1.1. Country
1.1.1. Hank WIlliams (Aartsvader van de Rock & Roll)
1.2. Folk
1.2.1. Angelsaksische Folkmuziek
1.2.2. Cowboy ballads
1.2.2.1. Bijv: Buffalo Skinners
1.2.3. Leadbelly
1.2.4. Woody Guthrie (Aartsvader van de Rock & Roll)
1.3. Rebel songs
1.3.1. Bijv: Battle hymn of the republic, When Johnny comes marching home
1.4. Hillbilly
1.4.1. The Carter Family
1.4.2. Jimmy Rodgers
2. Zwarte wortels
2.1. Spirituals
2.1.1. Negro Spiritual (bijv Fisk Jubilee Singers. Amazing grace e.d.)
2.1.2. Gospel
2.1.2.1. Thomas Dorsy (Father of black Gospel Music)
2.1.2.2. The golden gate quartet
2.1.2.3. The soul stirrers
2.1.2.4. The staple SIngers
2.1.2.5. THe five blind boys from alabama
2.1.2.6. The edwin hawkins singers ('oh happy day')
2.1.2.7. Sister Rosetta Tharpe (Met elektrische Gitaar!, Voorloper in de Rock & roll)
2.2. Blues
2.2.1. Ragtime
2.2.1.1. Scott Joplin
2.2.1.2. Jelly Roll Morton
2.2.2. Jazz: New Orleans
2.2.2.1. Joe 'king'Oliver, Kid Ory
2.2.3. Classic Blues
2.2.3.1. W.C. Handy (Mephis Blues, St. Louis Blues
2.2.3.2. Gertrude 'Ma'Rainey
2.2.3.3. Mamie Smith
2.2.3.4. Bessie Smith (queen of the blues)
2.2.4. Country Blues / Delta blues
2.2.4.1. Son House
2.2.4.2. Charlie Patton
2.2.4.3. Lonnie Johnson
2.2.4.4. Blink Lemon Jefferson
2.2.4.5. Robert Johnson (King of the blues, Aartsvader van de Rock & Roll)
2.2.5. City Blues: Muddy Waters
2.2.6. Boogiewoogie
2.2.6.1. Memphis Slim
2.2.6.2. Meade Lux Lewis
2.2.6.3. Roosevelt Sykes
2.2.6.4. Clarence 'pinetop' Smith
2.2.7. Rhythm & Blues
2.2.7.1. Lous jordan
2.2.7.2. Wynonie Harris
2.2.7.3. The lionel Hampton orchestra
2.2.7.4. Johnny Otis (Godfather van de R&B)
2.2.7.5. Etta James
3. Anders:
3.1. Minstresly
3.1.1. Thomas Darthmouth (daddy) rice (blackface)
3.1.2. Stephen Foster
3.2. Vaudeville
3.2.1. Zigfried Follies
3.2.2. Norah Bayes
3.2.3. Sophie Tucker
3.2.4. Al Johnson
3.3. Swing (big bands)
3.3.1. Benny goodman, Artie SHaw, Glenn Miller, Stan Kenton
3.3.2. Duke ellington, Count Basie, Louis JOrdan
3.4. Crooners/Tin Pan Alley
3.4.1. Rudy Vallee
3.4.2. Bing Crosby
3.4.3. Perry Como
3.4.4. Patti Page
3.4.5. Rosemary Clooney
3.4.6. Johnny Ray