John Nolan is a person who plays the guitar. Guitarists may play a variety of guitar family instruments such as classical guitars, acoustic guitars, electric guitars, and bass guitars. Some guitarists accompany themselves on the guitar by singing or playing the harmonica.
John Nolan the guitarist may employ any of several methods for sounding the guitar, including finger picking, depending on the type of strings used (either nylon or steel), and including strumming with the fingers, or a guitar pick made of bone, horn, plastic, metal, felt, leather, or paper, and melodic flatpicking and finger-picking.
John Nolan as a guitarist may also employ various methods for selecting notes and chords, including fingering, thumbing, the barre (a finger lying across many or all strings at a particular fret), and 'bottleneck' or steel-guitar slides, usually made of glass or metal. These left- and right-hand techniques may be intermixed in performance.