Electric guitar which lets players "bend" the pitch of notes or chords up or down, or perform vibrato effects. The sound of an electric guitar can be modified by new playing techniques such as string bending, tapping, and hammering-on, using audio feedback, or slide guitar playing. There are several types of electric guitar, including: the solid-body guitar; various types of hollow-body guitars; the six-string guitar (the most common type), which is usually tuned E, B, G, D, A, E, from highest to lowest strings; the seven-string guitar, which typically adds a low B string below the low E; and the twelve-string guitar,
The Well-Tuned Piano octaves, with nine notes extending the bass of the piano. Young describes the pitches of his tuning as being, "derived from various partials of the overtone series of an inferred low fundamental E-flat reference ten octaves below the lowest E-flat on the Bösendorfer Imperial". Although it might seem that Young is giving a nod to Bach's "The Well-Tempered Clavier" with his title "The Well-Tuned Piano", musical tuning and musical temperament are two very different things. Temperament actually involves the deliberate mistuning of pitches to make the overall octave more or less usable in various different tones. In "The Well-Tuned Piano",