Craft a musical piece that incorporates the given motif and follows the outlined structure.
X:1
L:1/8
Q:3/8=90
M:6/8
K:A
['A3 fga']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:A
 A3 fga | edc Bcd | cde fdc | B2 A GFE | A3 fga | ecA Bcd | cag Tf2 e | Be^d e3 |:  