Swaay is the debut EP by American band DNCE. The EP was released worldwide on October 23, 2015, by Republic Records. The majority of the EP was co-produced and co-written by lead singer and frontman Joe Jonas. The EP debuted at number 39 on the US "Billboard" 200.
Swaay misspells their name on purpose
This is one of those things you have to assume is true. Swaay is sway but pronounced a little longer.