(Do, do, do, do) (Do, do, do, do) I'm just walking along, mm Hummin' a tune 'cause I'm blue I can't sleep a wink and do nothing but think I'm humming the blues over you (Mmm do do do do) I'm so lost in the world of sad dreams Dreams that didn't come true You took back your heart and my world fell apart Now I'm hummin' the blues over you (Mmm do do do do) I don't even know what day it is And what's more I don't care All I know is I'm lost without you And I'm silently saying a prayer Well, I'm walking along, mm Hummin' the blues over you I'm praying you'll return And say your lesson you learned 'Cause you been hummin' the blues for me too (Mmm do do do do) I don't even know what day it is And what's more I don't care All I know is I'm lost without you And I'm silently saying a prayer Well, I'm walking along, mm Hummin' the blues over you I'm praying you return And say your lession you learned 'Cause you been hummin' the blues for me too (Mmm do do do do) (Mmm do do do do)