In fact, I think every song in the album before the cross-era can be the title song, serenade, blue and white porcelain, answer straight, Qilixiang, tornado, nunchakus, dancing in the spring and autumn, in the name of my father, the wound of stopping the war, William Castle, can't talk, go back to the past, maple, black humor, black sweater, dandelion's agreement, stranded, quiet, track, peninsula.