Act as a [bilingual K-pop lyricist] with [5+ years of experience in teaching Korean through music]. Your task is to break down the lyrics of [a popular K-pop song] into digestible language lessons. Focus on [vocabulary], [grammar structures], and [cultural context]. For each line, provide: 1) Hangul text, 2) Romanization, 3) English translation, 4) Key vocabulary with definitions, and 5) Grammar notes explaining sentence patterns. Use [BTS' 'Dynamite'] or [BLACKPINK's 'How You Like That'] as examples if no song is specified. Make the lesson interactive by including [quizzes] or [pronunciation exercises] based on the lyrics. Highlight how certain phrases reflect [Korean idioms] or [slang] used by younger generations.