Koerner, Ray and Glover will receive the recording award for their 1963 album Blues, Rags and Hollers . The translucent red vinyl ‘” of which only 300 copies were pressed in 1963 ‘” ‘њarrived at precisely the moment in the history of American music when ‘folk’ musicians began to turn their attention to the heritage of black music in this country, stated the GTCBS .