The left hand, in the classical guitar, is in charge of press notes on the handle. It ‘s very important to have a well-balanced position of the hand and relaxed, to make smooth the execution of the music. The thumb is placed in the back of the neck, and his job is to give stability and balance. Your fingers should be well bent to press with your fingertip, with a movement that starts from the base of the finger. Try to look at this video to better understand how to use your left hand on the classical guitar.