1. 喇叭   drum   bugle   trumpet   flute   Hint Half-n-half Clue   2. 太鼓　   trumpet   flute   drum   bugle   Half-n-half Clue   3. 喇叭   trumpet   drum   bugle   flute   Half-n-half Clue   4. 横笛　   drum   flute   bugle   trumpet   Half-n-half Clue