周深和余迪的合唱
https://www.bilibili.com/video/av50298584?from=search&seid=4027092161177058057
周深和郑云龙的合唱
https://www.bilibili.com/video/av50293869?from=search&seid=4027092161177058057
最后的合唱
https://www.bilibili.com/video/av50290836?from=search&seid=4027092161177058057