SM announced today that SNSD's Hyoyeon is currently preparing for her solo comeback, which will take place in April. The song is an EDM song and will be released under her new name DJ Hyo. The music video was filmed in Taiwan in March.
Hyoyeon announced last month that she'll promote as a DJ from now on.
sources: @oh_mes 1, 2, naver 1, 2, @nhdbtr