Final answer:
In swing music, the downbeat is emphasized, while offbeat and syncopation add complexity to the rhythm.
Step-by-step explanation:
In swing music, the beat that gets emphasized is the downbeat. The downbeat is the first beat of the measure and is typically emphasized by the musicians. It provides a strong foundation for the rhythm of the music.
The offbeat is the weaker beat in a measure and is often emphasized by playing a note slightly before or after the downbeat. This gives swing music its characteristic syncopated feel.
Syncopation is a rhythmic technique where accents are placed on weak beats or offbeats. It adds complexity and interest to the rhythm of the music.