Why was early blues usually performed by solo musicians?

Early blues was primarily performed by solo musicians because it originated as a rural, deeply personal form of expression among Southern Black agricultural workers. These itinerant musicians, who have been compared to West African griots, traveled to perform in informal settings such as juke joints, street corners, and train stations.123

Because the music was rooted in the individual experiences of hardship, oppression, and daily life, the solo format allowed performers to maintain a direct, intimate connection with their audience. Performers often accompanied themselves on the guitar, using techniques like the bottleneck slide to create a "talking" or "whining" sound that imitated the human voice, effectively fulfilling both the vocal and instrumental roles of the performance. It was only later, as the genre migrated to urban centers like Chicago during the Great Migration, that the solo bluesman was increasingly joined by other musicians to form the blues ensembles common in later years.134