Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:6/8
K:D
['DAG FED fed ecA dAG FED', 'd3 fed a2 d edc a2 c', 'A3 BAG d2 G AGF d2 F']  
X:1
L:1/8
M:6/8
K:D
 DAG FED | fed ecA | dAG FED | Adc d3 :: fed a2 d | edc a2 c | def edc | BA^G A3 :: BAG d2 G | 
 AGF d2 F | GAB AGF | EDC D3 :|  