In music, strumming is a way of playing a stringed instrument such as a guitar, ukulele, or mandolin. A strum or stroke is a sweeping action where a finger or plectrum brushes over several strings to generate sound. On most stringed instruments, strums are typically executed by a musician's designated strum hand, while the remaining hand often supports the strum hand by altering the tones and pitches of any given strum. Strums are often contrasted with plucking, as a means of vibrating an instrument's strings. In plucking, a specific string or designated set of strings are individually targeted to vibrate, whereas in strumming, a less precisetargeting is usually used. Compared to other plucking techniques, any group of strings brushed in a single sweep by a plectrum could be considered a strum due to the plectrum's less precise string group targeting. In contrast, a musician could utilize a technique with more precise string group targeting to pluck all the strings on a stringed instrument at once and this would still be considered a pluck, not a strum.
The pattern most typical of rock and related styles is: The final upstroke is sometime omitted. This pattern is often called "Old Faithful", or when played on ukulele, the "Island Strum". Examples of other strumming patterns include:
The simple four-to-a-bar rhythm is associated with jazz guitarists such as Freddie Green, although they may subtly vary the rhythm of a chord on some beats to add interest. A simple eight-to-a-bar rhythm is known as "straight eights" as opposed "swung eights", in which each pair are played in a rhythm that resembles the first and third notes in a triplet. The fretting hand can also mute the strings on the fretboard to damp a chord, creating staccato and percussive effects. In reggae and ska, a few staccato "chops" are played per bar. In funk rhythm playing, the strumming hand keeps a fairly steadymotion in 16th notes, while the left hand, basicallyholding down a jazz chord damps some of them in a syncopated pattern.
Fingerstyle strumming strokes
Some of the many possible fingerstyle strums include
A slow downstroke with the thumb. This is a sforzando or emphatic way of playing a chord.
Light "brushing" strokes with the fingers moving together at a near-perpendicular angle to the strings. Works equally in either direction and can be alternated for a chord tremolo chord effect.
Upstrokes with one finger make a change from the standard downstroke strum.
A "pinch" with the thumb and fingers moving towards each other gives a crisp effect. It is helpful to clearly articulate the topmost and bass note in the chord, as if plucking, before "following through".
Rasgueado: Strumming typically done by bunching all the right hand fingers and then flicking them out in quick succession to get four superimposed strums. The rasgueado or "rolling" strum is particularly characteristic of flamenco.
Turning p-a-m-i tremolo plucking into a series of downstrokes. This is a lighter version of the classic rasgueado, which uses upstrokes.