1. 小提琴   piano   violin   drum   bugle   Hint Half-n-half Clue   2. 喇叭   trumpet   bugle   piano   violin   Half-n-half Clue   3. 军号   drum   trumpet   synthesizer   bugle   Half-n-half Clue   4. 吉他   synthesizer   trumpet   guitar   violin   Half-n-half Clue   5. 竖琴   violin   harp   flute   piano   Half-n-half Clue   6. 鼓   saxophone   guitar   piano   drum   Half-n-half Clue   7. 钢琴   violin   piano   flute   trumpet   Half-n-half Clue