The Big Bang member was first booked by police for suspected drug use in late-October
'It Flows' is a remake of the 2012 song of the same name by Lee Han-chul
The musician is currently under investigation for suspected drug use
The Big Bang member has repeated denied all allegations against him
He also denied allegations claiming he 'tampered with evidence' by removing hair on his entire body except for his head prior to his drug test
Meanwhile, some brands have started to distance themselves from the K-pop star
"I actively cooperated with the investigation, whether it was testifying or submitting hair"
The musician was first booked for alleged drug use last week, but has since denied the claims
However, the singer says he will "cooperate with the police investigation"
The police also say that the investigation is unrelated to an ongoing case involving actor Lee Sun-kyun