"Basically, that was the start: a mixture between rock and blues."

Besides, there were always thin lines between country and blues....

Comparing the two versions illustrates the differences between blues and rock 'n' roll.

Can you tell the difference between the reds and blues?

This music underscores the long standing relationship between blues and country as one can often hear the influences of one in the other.

Much of the public in the late 1910 and the 1920s did not know the difference between these commercial products and authentic jazz and blues.

The music of that band oscillated between rock, country and blues.

The styles of these songs vary between pop, blues, country and rock.

Apparently by coincidence, the series does bring out the kinship between blues and gospel, which deliver contrary messages in a shared style.

There was a close relationship between blues and country music from the very earliest country recordings in the 1920s.