She put her initials on duets of "Crying" with Roy Orbison & "What A Wonderful World" with Tony Bennett
[DOC] [TLE] Tony Bennett With K.D.Lang ( featuring Chris Botti) Because Of You ... [PAR] Tony Bennett With K.D.Lang ( featuring Chris Botti) Because Of You | See ... Tony 
Bennett & KD Lang Duet - ' Because Of You' ...love all of these duets ......