Sadly , internal tension resurfaced in the beatles when allen klein brought in phil spector to produce and overdub get back released in may 1970 as let it be against paul s wishes , also demanding that paul delay the release of mccartney , his solo debut , in order to avoid detracting from sales of let it be 从这以后,他们开始在全国巡回演出。他们的新歌please please me登上了热门歌曲排行榜的首位。他们其它的一些早期登上排行榜首位的歌曲有she loves you和from me to you 。