Syncopation is a rhythmic device where accents are placed on normally unaccented beats or parts of beats, or where rests occur on normally accented beats. This creates a rhythmic surprise or "off-beat" feel, making the music sound more lively, energetic, and often danceable. It is a deliberate disturbance of the regular flow of rhythm.
Syncopation is a hallmark of many popular music genres, including jazz, funk, reggae, and Latin music. In classical music, composers like Scott Joplin (Ragtime) and Igor Stravinsky also made extensive use of syncopation. A simple example is emphasizing the "and" of a beat (e.g., ONE-and-TWO-and instead of ONE-two-THREE-four).
While elements of syncopation can be found in music from various cultures and historical periods, it became a defining characteristic of African-American music traditions, particularly in ragtime and early jazz in the late 19th and early 20th centuries. Its infectious rhythmic drive was a key factor in the popularity and evolution of these genres, influencing subsequent popular music worldwide.
Listen to Scott Joplin's "Maple Leaf Rag." Pay close attention to the piano's right-hand melody, which often plays notes between the main beats, creating a bouncy, "ragged" rhythm against the steady left-hand accompaniment. This is a classic example of syncopation driving the character of the music.