Can't say I heard Dolphin sounds personally, but there is a musical phrase in there that's been re-used from Give Unto Me, & if I'm right, I bet if you listen closely enough, Give Unto Me, Hello & Like You are all linked musically rather than just lyrically... This is a very powerful song there's no doubt what the song's about without even being told, I didn't read any of these threads before I heard these new songs, but yet it is very obvious the meaning's of most of them.