Compose a harmonious piece with the indicated chord progression as a foundation.
'Ab', 'Eb', 'Eb7', 'Ab', 'Eb', 'Eb7', 'Ab', 'Eb', 'Eb7', 'Ab', 'Eb', 'Eb7', 'Ab', 'Eb', 'Eb7', 'Ab'  
X:1
L:1/8
Q:1/4=100
M:4/4
K:Ab
"Ab" A2 AB c2 cd | e2 fe c4 | e2 dc"Eb" B4 |"Eb7" d2 cB"Ab" A3 z | A2 AB c2 cd | e2 fe c4 | 
 e2 dc"Eb" B4 |"Eb7" d2 cB"Ab" A3 z | e2 dc"Eb" B2 EE |"Eb7" d2 cB"Ab" A3 z | e2 dc"Eb" B2 EE | 
"Eb7" d2 cB"Ab" A3 z | A2 AB c2 cd | e2 fe c4 | e2 dc"Eb" B4 |"Eb7" d2 cB"Ab" A3 z |]  