knob
a small rounded handle
a small rounded handle
to tinker: to experiment, make small changes
to take a break or pause for lunch
got a job
to try music as a career
changing, adapting
made someone interested
a large department store
to move back and forth; a style of music (short for rock and roll)
In the mid ’60s, Casher helped develop a device he envisioned as the new voice of the guitar.