Generate melodic masterpieces that abide by the suggested chord alterations.
'Eb', 'Bb7', 'Eb', 'Eb', 'Bb7', 'Eb', 'Ab', 'Eb', 'Ab', 'Eb', 'Eb', 'Bb7', 'Eb', 'Bb7', 'Eb'  
X:1
L:1/4
M:23/44
K:Eb
|: B, |"Eb" E G | [BG] [GE] |"Bb7" [FD] [AF] [DB,] |"Eb" E [GE] B, |"Eb" E G | [BG] [GE] | 
"Bb7" [FD] [AF] [DB,] |"Eb" E z :: [eG] |"Ab" [cA] A [ec] |"Eb" [BG] [GE] [eG] |"Ab" [cA] A [ec] | 
"Eb" [BG] [GE] B, |"Eb" E G | [BG] [GE] |1"Bb7" [FD] [AF] [DB,] |"Eb" E z :|2"Bb7" [FD] [AF] [dA] | 
"Eb" [eG] z :|  