Simple Blues lick

 6  6   -6    6   7 -7Hap-py birth-day to you,   6  6   -6    6  -8  7Hap-py birth-day to you,   6  6    9    8   7 -7  -6Hap-py birth-day to ___ ___  -9  -9   8    7  -8  7Hap-py birth-day to you.

-2 -3′ 4 -4′ -4 -5 6 6 -5 -4 -4′ 4 -3′ -2

-2 4 -3/ -2