How do you do vibrato on an open string bass?
Here's how you do it: Step one: Pluck your E string very hard but make sure it's a clean pluck and the string doesn't hit the fretboard. Step two: Quickly after you pluck place your index, or your index and middle finger on the side of the string. The pitch should change and sound kind of like a harmonic.
Can you do vibrato on guitar?
By mastering vibrato technique, your guitar playing will acquire a vocal quality much like that of a human voice. ... Vibrato is one of the most challenging techniques of guitar playing, but mixing it with other techniques like string bending, legato and harmonics can make you a more dynamic player.