Covers are technicaly the same songs but many bands adds thier own perosonal touches while covering. Like these two:
Orginal
http://lyricstranslate.com/en/Lynyrd-Skynyrd-Tuesdays-Gone-lyrics.html
Cover
http://lyricstranslate.com/en/Metallica-Tuesdays-Gone-Metallica-Cover-ly...
Metallica had longered it and switched "Lord" with "baby".
From what I understend, if the covers and orginals get connected they will get all one and the same translation. So what to do in the situations as above, add the connection as required or add it somewere else(notes, in the title)?