A Song of Pure Happiness (清平調) Single

Single Title	清平調 (qīng píng diào)
Meaning	A song of pure happiness
Release Date	May 8, 2015 (duet version) July 20, 2015 (solo version)
Tracklist	A Song of Pure Happiness (清平調)
Image	Cover image (duet version) Cover image (solo version)
Buy This Single	iTunes Duet version Solo version