personally, i would say my favourite album is smart and gotta be your man. I really like their our story(accapella version), i'll be with you, friends etc..in smart album and one life one love, i need you so bad, amazing grace, tell me why, my angel, one minute, challenge so many and i like most of the song in gotta be your man album. The latest is tie a yellow ribbon round the old oak tree..hehe i just love them singing accapella.