Reading and sight-reading music are essential skills for guitarists. While playing by ear is useful, being able to read sheet music unlocks new musical opportunities. It helps guitarists understand how a piece is put together, ensuring they play the correct notes and keep time. Sight-reading also makes guitarists more versatile, allowing them to easily play different genres and styles. Additionally, reading music helps when playing with others, as it provides a shared way to communicate and interpret the music. By mastering these skills, guitarists can confidently explore and improve their musical abilities.