Beside the strong leaders of both bands , who can compose , sing , play guitar and play piano , the keyboardists are the main characters that inject the melodic senses and enrichment into their songs .

两个乐团除了都有实力派的主唱能够身兼作曲、唱歌、吉他、钢琴，键盘手更是为乐团歌曲注入音乐性和丰富性的最大功臣。