Recording technology

Soul and Motown

Music of the 1960s Counterculture

Symphony

Nashville Sound

Metal, 90s Mainstream, and Grunge

1980s Mainstream

Late 20th Century Song Form

Harmonic Schemata

80s and 90s Hip-Hop

Tin Pan Alley Song Form

Jazz

EDM

Salsa, Reggae, Funk, Hip-hop

Punk and New Wave

New Country

1970s Mainstream Pop

Ragtime and Its Afterlife

Beatles and Beach Boys

1960s Pop