一双脚，一颗心，在山山水水、曲曲折折中奏响音乐，时而低沉，时而舒缓，时而轻快，时而高亢。
B-Metric I-Metric B-Thing O B-Metric I-Metric B-Thing O O B-Thing I-Thing I-Thing I-Thing O O O O O O O O B-Thing I-Thing O B-Time I-Time O O O B-Time I-Time O O O B-Time I-Time O O O B-Time I-Time O O O