f(x)’s Vocal Analysis: Krystal January 17, 20150. C Vocalists: Commercial vocalists, Companies: SM Entertainment, Groups, Sopranos, Vocal Analyses, Vocal Ranges: 3 Octave RangesCompanies: SM Entertainment, 가요, f(x), 크리스탈, 에프엑스, K-Pop, Krystal, Vocal Analysis, Vocal Range, Vocal Techniqueahmin3 Continue reading f(x)’s Vocal Analysis: Krystal → Advertisement