Final answer:
Country blues typically featured guitar accompaniment and male vocals, evolving from African-American spirituals and work songs. It was a precursor to other genres like jazz and rock n' roll, and is not associated with brass band performances.
Step-by-step explanation:
The style known as country blues was usually accompanied by a guitar. This type of music was characterized by its use of acoustic instruments and its roots in American folk traditions. Country blues were primarily sung by men, often featuring solo performances that showcased the emotive vocal style and guitar skills of the musicians. It evolved from African-American spirituals and work songs, and reflected the hard living conditions and experiences of its creators. Therefore, the country blues were not typically performed by brass bands, which were more associated with the jazz genre and a different kind of musical arrangement.
Blues music was central to the development of other American music styles, such as jazz, gospel, and eventually rock n' roll. Figures such as Bessie Smith brought powerful vocal abilities to the blues, although as a woman, she was more of an exception in the country blues genre, which was predominantly a male field. The blues also played a critical role in shaping the sound and success of later music genres, with artists adapting to the limitations and opportunities of the instruments available to them.