Having a disability should not be hindrance nor keep a person from pursuing a goal. Though the task may be difficult, it is not impossible.
A good example is Beethoven. Though this composer could hear as a child, he gradually lost his hearing after many years of playing the piano. It did not stop this not stop him from creating many masterpieces that are still played and treasured today. The secret was being able to feel the vibrations each time the keys were depressed.
Being tone deaf means that a person is not able to distinguish various pitches. Though it does not occur often, a person who has this problem can still learn how to play a guitar.
Songs are made up of different notes and at various pitches. Since each note has a distinguishable tone, start by playing each note and listening to each one carefully. When the person has is able to distinguish the changes, he can start playing the song.
It takes visualization for this to happen he should look at the reflection in a mirror when striking each chord. Later, when he is confident, he can try playing it without any visual aid.
Making some improvements to the instrument will also assist the player. The inlay is one part of the guitar that needs to be modified. Usually, this comes in dots, diamond shapes and parallelograms. By adding lights to it, the person will know at what pitch is being played so that he can still know the tone of the music.
If the person is financially able he can have the guitar wired to a machine that will monitor the notes being strummed and comparing that with the notes of the song. By knowing where the mistakes are made when practicing on it, he will be able to correct them and play correctly.
Tone deafness is something that may have been inherited at birth or may happen to a person later in life. Even though a person may have this disability, it should not hinder anyone who has the desire to enjoy playing music. Remember that here are others who have experienced this difficulty and it did not stop them from singing or playing a musical instrument.