Reinforcement Learning

United States, sometime after 1865, Wallis Willis.

United States, 2000, Wallis Willis.

Germany, 1968, Wallis Willis.

Germany traditional song.

African American spiritual song.

medieval traditional ballad.

made it possible for the song to reach a wider audience in the late XX century.

made it possible for the song to reach a wider audience in the late 17th century.

made it possible for the song to reach a wider audience in the late 19th century, being heard in more realms, not just religious.

use of repetition, ABCD structure, improvisation, heptatonic melody of call and answer.

use of repetition, free-form structure, improvisation, pentatonic melody of call and answer.

canon structure, improvisation, chromatic melody of call and answer.

Joan Baez during the legendary 1969 Woodstock Festival.

Bob Dylan during the legendary 1969 Woodstock Festival.

Janis Joplin during the legendary 1969 Woodstock Festival.

Heavy.

Rap.

Reggae.

binary rhythm, 2/4.

ternary rhythm, 3/4.

quaternary rhythm, 4/4.

from RE to MI’ (9ª).

from DO to FA’ (11ª).

from DO to DO’ (8ª).

RE, MI, SOL, LA, SI.

DO, RE, MI, FA, SOL.

RE, MI, FA, SOL, LA.

G Major, 1 flat (Sib) & last chord (G).

C Major, last chord (C).

F minor, 1 flat (Sib) & last chord (Fm).