3:36 Gregorian - Once In a Lifetime (Original Music Video) 5:22 Gregorian - Once In A Lifetime (Lyrics) 3:50 Gregorian - Once In A Lifetime (Sadisfaction - The First Album) 6:12 \"Once In A Lifetime\" *[L.A. Mix]* - Gregorian 3:36 Gregorian - Once In A Lifetime (REMASTERED ) 5:25 Gregorian - Once In A Lifetime (extended mix) 4:24 Gregorian. Now We Are Free 3:55 Gregorian - Voyage Voyage - Gregorian TV Special (Chapter III) 5:26 Once In A Lifetime (Extended Mix) - Gregorian 4:43 Once in a lifetime - Enigma 5:23 ONCE IN A LIFETIME - GREGORIAN (LYRICS) 5:22 Once In A Life Time ~ By Gregorian with lyrics 5:30 Gregorian - Once In A Lifetime (Extended Version) 8:42 Gregorian .- Once In A Lifetime .- Extended mix.- 3:59 Gregorian - Once In A Lifetime 6:34 Gregorian - Once In A Lifetime (Extended Remix) 4:24 Gregorian. Now We Are Free 3:33 Gregorian - So Sad (HD) 4:34 Gregorian - Forever Young 4:43 Gregorian - Once In A Lifetime 3:37 Once In A Lifetime - Gregorian (Karaoke) 5:22 Gregorian - Once In A Lifetime 1:32 Gregorian - Once In A Lifetime *RARE* 1991