Syncopation is music which creates rhythmical variation. Examples would be:
A stress (accent) on a beat not usually stressed.
A rest where there would normally be a beat.
Use of split-beats.
Minute delays or advances in the timing of beats.
"If a part of the measure (bar) that is usually unstressed is accented, the rhythm is considered to be syncopated".[1]
More simply, syncopation is a general term for a disturbance or interruption of the regular flow of rhythm; a placement of rhythmic stresses or accents where they wouldn't normally occur.[2]
Syncopation has been an important element of musical composition since at least the Middle Ages. For some musical styles, such as jazz and ragtime, syncopation is an essential part of their character.[2]
References
↑Benward & Saker 2003. Music: in theory and practice, vol 1, p12. 7th ed. ISBN978-0-07-294262-0.
↑ 2.02.1
Hoffman, Miles (1997). "Syncopation". National Symphony Orchestra. NPR. Retrieved 13 July 2009.
↑Snoman, Rick 2004. Dance music manual: toys, tools, and techniques, p44. ISBN0240519159
↑Day, Holly and Pilhofer, Michael 2007. Music theory for dummies. 58-60. ISBN0764578383.