Rock Frame
The three Broad Genres derived from "Rock and Roll" intended as Genre : Rock Music, Metal and Punk Rock.
MUSIC TAXONOMY
Standard Definition
Rock is a broad genre of popular music that originated as "rock and roll" in the United States in the late 1940s and early 1950s, developing into a range of different styles from the mid-1960s, particularly in the United States and the United Kingdom.
Rock as "genre" has its roots in 1940s and 1950s rock and roll, a style that drew directly from the blues and rhythm and blues genres of African-American music and from country music.
from Wikipedia
EMC Classification
The term Rock Frame does not exist in standard classifications but only in EML, where encompass three broad genres, Rock, Metal and Punk, that are mainly originated by derivative forms of "rock and roll" as: psychedelic rock, acid rock, blues rock, garage rock etc.
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