Bangtan TV on Tuesday shared BTS's Jungkook's 'Seven' recording film. The singer took fans through a BTS tour of the process of recording his debut solo album. Among the many interesting aspects in the video, Jungkook informed fans that he has been researching on vocal methods that would be beneficial to him.

정국 (Jung Kook) 'Seven' Recording Film
(https://t.co/wiQ6bs1D4w)#정국 #JungKook #JungKook_Seven

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He has been practising the straw vocal exercise. He added that he had once lost his voice and that's when he found a video on this method that helps to balance vocal chords.