As time goes by - the 12 cellists of the berlin philharmonic .
时光流逝-柏林爱乐12把大提琴。
Cellists : li xiaolu , qian yi , liu pai .
大提琴：李小璐、钱屹、刘派。
Therefore , the author discusses the valuable contents from the historical , skillful and musical aspects so that the cellists could present its essence .
