Richie Unterberger of Allmusic said that `` The End '' was to be `` the group 's take on the improvised jamming common to heavy rock of the late '60s , though as usual the Beatles did it with far more economic precision than anyone else . '' Richie Unterberger of Allmusic considered `` The End '' to be `` the group 's take on the improvised jamming common to heavy rock of the late '60s , though as usual The Beatles did it with far more economic precision than anyone else . ''