Find the best guitar lessons, classes, and instructors at HeyKiki and learn how to play guitar. The guitar is a string instrument that is played by plucking strings with fingers or a guitar pick. There are many types of guitars, such as acoustic and electric guitars, that are used to play a variety of musical styles, such as classical, jazz, or rock. Guitar lessons can include curriculum such as teaching guitarists basic chords, fingering techniques, and instruction in reading sheet music. The guitar is one of the world's most popular instruments due to its versatility, and is used for solo performances, in ensembles and bands, and for accompaniment.