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