Guitar tunings refer to the specific arrangement of the strings on a guitar, determining the pitches they produce when played. The most common tuning is standard tuning, which is E-A-D-G-B-e, from the lowest to the highest string. Different tunings can create unique sounds and facilitate easier playing of certain songs. Alternative tunings, such as drop D or open G, change the pitch of one or more strings to achieve different tonal qualities. Musicians often experiment with these tunings to enhance their creativity and adapt to various musical styles, making the guitar a versatile instrument.